Move ShiftUI source code to ShiftOS

This'll be a lot easier to work on.

1 files changed, 6728 insertions, 0 deletions

diff --git a/source/ShiftUI/Widget.cs b/source/ShiftUI/Widget.cs
new file mode 100644
index 0000000..ebd6709
--- /dev/null
+++ b/source/ShiftUI/Widget.cs
@@ -0,0 +1,6728 @@
+// The "Widget" class is based off the Windows Forms "Widget" class in
+// the Mono framework. As some elements are unchanged, here's a
+// copyright statement.
+
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+// Copyright (c) 2004-2006 Novell, Inc.
+//
+// Authors:
+//	Peter Bartok		[email protected]
+//
+// Partially based on work by:
+//	Aleksey Ryabchuk	[email protected]
+//	Alexandre Pigolkine	[email protected]
+//	Dennis Hayes		[email protected]
+//	Jaak Simm		[email protected]
+//	John Sohn		[email protected]
+//
+
+#undef DebugRecreate
+#undef DebugFocus
+#undef DebugMessages
+
+using System;
+using System.ComponentModel;
+using System.ComponentModel.Design;
+using System.ComponentModel.Design.Serialization;
+using System.Collections;
+using System.Diagnostics;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Security;
+using System.Threading;
+using ShiftUI;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace ShiftUI
+{
+    public class ToolboxWidgetAttribute : Attribute
+    {
+        public ToolboxWidgetAttribute()
+        {
+
+        }
+    }
+
+	[ComVisible(true)]
+	[ClassInterface (ClassInterfaceType.AutoDispatch)]
+	[DefaultProperty("Text")]
+	[DefaultEvent("Click")]
+	[ToolboxItemFilter("ShiftUI")]
+	public class Widget : Component, ISynchronizeInvoke, IWin32Window
+	, IBindableComponent, IDropTarget, IBounds
+	{
+		#region Local Variables
+
+        public static List<Type> GetAllToolboxWidgets()
+        {
+            var widget_list = new List<Type>();
+            var typesWithToolboxAttribute =
+    from a in AppDomain.CurrentDomain.GetAssemblies()
+    from t in a.GetTypes()
+    let attributes = t.GetCustomAttributes(typeof(ToolboxWidgetAttribute), true)
+    where attributes != null && attributes.Length > 0
+    select new { Type = t, Attributes = attributes.Cast<ToolboxWidgetAttribute>() };
+            foreach (var t in typesWithToolboxAttribute)
+            {
+                widget_list.Add(t.Type);
+            }
+            return widget_list;
+        }
+
+		// Basic
+		internal Rectangle		bounds;			// bounding rectangle for Widget (client area + decorations)
+		Rectangle               explicit_bounds; // explicitly set bounds
+		internal object			creator_thread;		// thread that created the Widget
+		internal                WidgetNativeWindow	window;			// object for native window handle
+		private                 IWindowTarget window_target;
+		string                  name; // for object naming
+
+		// State
+		bool                    is_created; // true if OnCreateWidget has been sent
+		internal bool		has_focus;		// true if Widget has focus
+		internal bool		is_visible;		// true if Widget is visible
+		internal bool		is_entered;		// is the mouse inside the Widget?
+		internal bool		is_enabled;		// true if Widget is enabled (usable/not grayed out)
+		bool                    is_accessible; // true if the Widget is visible to accessibility applications
+		bool                    is_captured; // tracks if the Widget has captured the mouse
+		internal bool			is_toplevel;		// tracks if the Widget is a toplevel window
+		bool                    is_recreating; // tracks if the handle for the Widget is being recreated
+		bool                    causes_validation; // tracks if validation is executed on changes
+		bool                    is_focusing; // tracks if Focus has been called on the Widget and has not yet finished
+		int                     tab_index; // position in tab order of siblings
+		bool                    tab_stop; // is the Widget a tab stop?
+		bool                    is_disposed; // has the window already been disposed?
+		bool                    is_disposing; // is the window getting disposed?
+		Size                    client_size; // size of the client area (window excluding decorations)
+		Rectangle               client_rect; // rectangle with the client area (window excluding decorations)
+		Widgetstyles           Widget_style; // rather win32-specific, style bits for Widget
+		ImeMode                 ime_mode;
+		object                  Widget_tag; // object that contains data about our Widget
+		internal int			mouse_clicks;		// Counter for mouse clicks
+		Cursor                  cursor; // Cursor for the window
+		internal bool			allow_drop;		// true if the Widget accepts droping objects on it   
+		Region                  clip_region; // User-specified clip region for the window
+
+		// Visuals
+		internal Color			foreground_color;	// foreground color for Widget
+		internal Color			background_color;	// background color for Widget
+		Image                   background_image; // background image for Widget
+		internal Font			font;			// font for Widget
+		string                  text; // window/title text for Widget
+		internal                BorderStyle		border_style;		// Border style of Widget
+		bool                    show_keyboard_cues; // Current keyboard cues 
+		internal bool           show_focus_cues; // Current focus cues 
+		internal bool		force_double_buffer;	// Always doublebuffer regardless of Widgetstyle
+
+		// Layout
+		internal enum LayoutType {
+			Anchor,
+			Dock
+		}
+		Layout.LayoutEngine layout_engine;
+		internal int layout_suspended;
+		bool layout_pending; // true if our parent needs to re-layout us
+		internal AnchorStyles anchor_style; // anchoring requirements for our Widget
+		internal DockStyle dock_style; // docking requirements for our Widget
+		LayoutType layout_type;
+		private bool recalculate_distances = true;  // Delay anchor calculations
+
+		// Please leave the next 2 as internal until DefaultLayout (2.0) is rewritten
+		internal int			dist_right; // distance to the right border of the parent
+		internal int			dist_bottom; // distance to the bottom border of the parent
+
+		// to be categorized...
+		WidgetCollection       child_Widgets; // our children
+		Widget                 parent; // our parent Widget
+		BindingContext          binding_context;
+		RightToLeft             right_to_left; // drawing direction for Widget
+		//ContextMenu             context_menu; // FIXME: No.
+		internal bool		use_compatible_text_rendering;
+		private bool		use_wait_cursor;
+
+		//accessibility
+		string accessible_name;
+		string accessible_description;
+		string accessible_default_action;
+		AccessibleRole accessible_role = AccessibleRole.Default;
+		AccessibleObject accessibility_object; // object that contains accessibility information about our Widget
+
+		// double buffering
+		DoubleBuffer            backbuffer;
+
+		WidgetBindingsCollection data_bindings;
+
+		static bool verify_thread_handle;
+		Padding padding;
+		ImageLayout backgroundimage_layout;
+		Size maximum_size;
+		Size minimum_size;
+		Padding margin;
+		private ContextMenuStrip context_menu_strip;
+		private bool nested_layout = false;
+		Point auto_scroll_offset;
+		private AutoSizeMode auto_size_mode;
+		private bool suppressing_key_press;
+		private ContentAlignment alignment;
+
+		#endregion	// Local Variables
+
+		public ContentAlignment Alignment {
+			get {
+				return alignment;
+			}
+			set {
+				alignment = value;
+			}
+		}
+
+		#region Private Classes
+		// This helper class allows us to dispatch messages to Widget.WndProc
+		internal class WidgetNativeWindow : NativeWindow {
+			private Widget owner;
+
+			public WidgetNativeWindow(Widget Widget) : base() {
+				this.owner=Widget;
+			}
+
+
+			public Widget Owner {
+				get {
+					return owner;
+				}
+			}
+
+			protected override void OnHandleChange()
+			{
+				this.owner.WindowTarget.OnHandleChange(this.owner.Handle);
+			}
+
+			static internal Widget WidgetFromHandle(IntPtr hWnd) {
+				WidgetNativeWindow	window;
+
+				window = (WidgetNativeWindow)NativeWindow.FromHandle (hWnd);
+				if (window != null) {
+					return window.owner;
+				}
+
+				return null;
+			}
+
+			static internal Widget WidgetFromChildHandle (IntPtr handle) {
+				WidgetNativeWindow	window;
+
+				Hwnd hwnd = Hwnd.ObjectFromHandle (handle);
+				while (hwnd != null) {
+					window = (WidgetNativeWindow)NativeWindow.FromHandle (handle);
+					if (window != null) {
+						return window.owner;
+					}
+					hwnd = hwnd.Parent;
+				}
+
+				return null;
+			}
+
+			protected override void WndProc(ref Message m) {
+				owner.WindowTarget.OnMessage(ref m);
+			}
+		}
+
+		private class WidgetWindowTarget : IWindowTarget
+		{
+			private Widget Widget;
+
+			public WidgetWindowTarget(Widget Widget)
+			{
+				this.Widget = Widget;
+			}
+
+			public void OnHandleChange(IntPtr newHandle) 
+			{
+			}
+
+			public void OnMessage(ref Message m) 
+			{
+				Widget.WndProc(ref m);
+			}
+		}
+		#endregion
+
+		#region Public Classes
+		[ComVisible(true)]
+		public class WidgetAccessibleObject : AccessibleObject {
+			IntPtr handle;
+
+			#region WidgetAccessibleObject Constructors
+			public WidgetAccessibleObject(Widget ownerWidget)
+				: base (ownerWidget)
+			{
+				if (ownerWidget == null)
+					throw new ArgumentNullException ("owner");
+
+				handle = ownerWidget.Handle;
+			}
+			#endregion	// WidgetAccessibleObject Constructors
+
+			#region WidgetAccessibleObject Public Instance Properties
+			public override string DefaultAction {
+				get {
+					return base.DefaultAction;
+				}
+			}
+
+			public override string Description {
+				get {
+					return base.Description;
+				}
+			}
+
+			public IntPtr Handle {
+				get {
+					return handle;
+				}
+
+				set {
+					// We don't want to let them set it
+				}
+			}
+
+			public override string Help {
+				get {
+					return base.Help;
+				}
+			}
+
+			public override string KeyboardShortcut {
+				get {
+					return base.KeyboardShortcut;
+				}
+			}
+
+			public override string Name {
+				get {
+					return base.Name;
+				}
+
+				set {
+					base.Name = value;
+				}
+			}
+
+			public Widget Owner {
+				get {
+					return base.owner;
+				}
+			}
+
+			public override AccessibleObject Parent {
+				get {
+					return base.Parent;
+				}
+			}
+
+
+			public override AccessibleRole Role {
+				get {
+					return base.Role;
+				}
+			}
+			#endregion	// WidgetAccessibleObject Public Instance Properties
+
+			#region WidgetAccessibleObject Public Instance Methods
+			public override int GetHelpTopic (out string fileName)
+			{
+				return base.GetHelpTopic (out fileName);
+			}
+
+			[MonoTODO ("Stub, does nothing")]
+			public void NotifyClients (AccessibleEvents accEvent)
+			{
+			}
+
+			[MonoTODO ("Stub, does nothing")]
+			public void NotifyClients (AccessibleEvents accEvent, int childID)
+			{
+			}
+
+			[MonoTODO ("Stub, does nothing")]
+			public void NotifyClients (AccessibleEvents accEvent, int objectID, int childID)
+			{
+			}
+
+			public override string ToString() {
+				return "WidgetAccessibleObject: Owner = " + owner.ToString() + ", Text: " + owner.text;
+			}
+
+			#endregion	// WidgetAccessibleObject Public Instance Methods
+		}
+
+		private class DoubleBuffer : IDisposable
+		{
+			public Region InvalidRegion;
+			private Stack real_graphics;
+			private object back_buffer;
+			private Widget parent;
+			private bool pending_disposal;
+
+			public DoubleBuffer (Widget parent) {
+				this.parent = parent;
+				real_graphics = new Stack ();
+				int width = parent.Width;
+				int height = parent.Height;
+
+				if (width < 1) width = 1;
+				if (height < 1) height = 1;
+
+				XplatUI.CreateOffscreenDrawable (parent.Handle, width, height, out back_buffer);
+				Invalidate ();
+			}
+
+			public void Blit (PaintEventArgs pe) {
+				Graphics buffered_graphics;
+				buffered_graphics = XplatUI.GetOffscreenGraphics (back_buffer);
+				XplatUI.BlitFromOffscreen (parent.Handle, pe.Graphics, back_buffer, buffered_graphics, pe.ClipRectangle);
+				buffered_graphics.Dispose ();
+			}
+
+			public void Start (PaintEventArgs pe) {
+				// We need to get the graphics for every paint.
+				real_graphics.Push(pe.SetGraphics (XplatUI.GetOffscreenGraphics (back_buffer)));
+			}
+
+			public void End (PaintEventArgs pe) {
+				Graphics buffered_graphics;
+				buffered_graphics = pe.SetGraphics ((Graphics) real_graphics.Pop ());
+
+				if (pending_disposal) 
+					Dispose ();
+				else {
+					XplatUI.BlitFromOffscreen (parent.Handle, pe.Graphics, back_buffer, buffered_graphics, pe.ClipRectangle);
+					InvalidRegion.Exclude (pe.ClipRectangle);
+				}
+				buffered_graphics.Dispose ();
+			}
+
+			public void Invalidate ()
+			{
+				if (InvalidRegion != null)
+					InvalidRegion.Dispose ();
+				InvalidRegion = new Region (parent.ClientRectangle);
+			}
+
+			public void Dispose () {
+				if (real_graphics.Count > 0) {
+					pending_disposal = true;
+					return;
+				}
+
+				XplatUI.DestroyOffscreenDrawable (back_buffer);
+
+				if (InvalidRegion != null)
+					InvalidRegion.Dispose ();
+				InvalidRegion = null;
+				back_buffer = null;
+				GC.SuppressFinalize (this);
+			}
+
+			#region IDisposable Members
+			void IDisposable.Dispose () {
+				Dispose ();
+			}
+			#endregion
+
+			~DoubleBuffer () {
+				Dispose ();
+			}
+		}
+
+		[ListBindable (false)]
+		[ComVisible (false)]
+		public class WidgetCollection : Layout.ArrangedElementCollection, IList, ICollection, ICloneable, IEnumerable {
+			#region WidgetCollection Local Variables
+			ArrayList impl_list;
+			Widget [] all_Widgets;
+			Widget owner;
+			#endregion // WidgetCollection Local Variables
+
+			#region WidgetCollection Public Constructor
+			public WidgetCollection (Widget owner)
+			{
+				this.owner = owner;
+			}
+			#endregion
+
+			#region WidgetCollection Public Instance Properties
+
+
+			public Widget Owner {
+				get { return this.owner; }
+			}
+
+			public virtual Widget this[string key] {
+				get { 
+					int index = IndexOfKey (key);
+
+					if (index >= 0)
+						return this[index];
+
+					return null;
+				}
+			}
+
+			new public virtual Widget this[int index] {
+				get {
+					if (index < 0 || index >= list.Count) {
+						throw new ArgumentOutOfRangeException("index", index, "WidgetCollection does not have that many Widgets");
+					}
+					return (Widget)list[index];
+				}
+
+
+			}
+
+			#endregion // WidgetCollection Public Instance Properties
+
+			#region WidgetCollection Instance Methods
+
+			public virtual void Add (Widget value)
+			{
+				if (value == null)
+					return;
+
+				Form form_value = value as Form;
+				Form form_owner = owner as Form;
+				bool owner_permits_toplevels = (owner is MdiClient) || (form_owner != null && form_owner.IsMdiContainer);
+				bool child_is_toplevel = value.GetTopLevel();
+				bool child_is_mdichild = form_value != null && form_value.IsMdiChild;
+
+				if (child_is_toplevel && !(owner_permits_toplevels && child_is_mdichild))
+					throw new ArgumentException("Cannot add a top level Widget to a Widget.", "value");
+
+				if (child_is_mdichild && form_value.MdiParent != null && form_value.MdiParent != owner && form_value.MdiParent != owner.Parent) {
+					throw new ArgumentException ("Form cannot be added to the Widgets collection that has a valid MDI parent.", "value");
+				}
+
+				value.recalculate_distances = true;
+
+				if (Contains (value)) {
+					owner.PerformLayout();
+					return;
+				}
+
+				if (value.tab_index == -1) {
+					int	end;
+					int	index;
+					int	use;
+
+					use = 0;
+					end = owner.child_Widgets.Count;
+					for (int i = 0; i < end; i++) {
+						index = owner.child_Widgets[i].tab_index;
+						if (index >= use) {
+							use = index + 1;
+						}
+					}
+					value.tab_index = use;
+				}
+
+				if (value.parent != null) {
+					value.parent.Widgets.Remove(value);
+				}
+
+				all_Widgets = null;
+				list.Add (value);
+
+				value.ChangeParent(owner);
+
+				value.InitLayout();
+
+				if (owner.Visible)
+					owner.UpdateChildrenZOrder();
+				owner.PerformLayout(value, "Parent");
+				owner.OnWidgetAdded(new WidgetEventArgs(value));
+			}
+
+			internal void AddToList (Widget c)
+			{
+				all_Widgets = null;
+				list.Add (c);
+			}
+
+			internal virtual void AddImplicit (Widget Widget)
+			{
+				if (impl_list == null)
+					impl_list = new ArrayList ();
+
+				if (AllContains (Widget)) {
+					owner.PerformLayout ();
+					return;
+				}
+
+				if (Widget.parent != null) {
+					Widget.parent.Widgets.Remove(Widget);
+				}
+
+				all_Widgets = null;
+				impl_list.Add (Widget);
+
+				Widget.ChangeParent (owner);
+				Widget.InitLayout ();
+				if (owner.Visible)
+					owner.UpdateChildrenZOrder ();
+
+				// If we are adding a new Widget that isn't
+				// visible, don't trigger a layout
+				if (Widget.VisibleInternal)
+					owner.PerformLayout (Widget, "Parent");
+			}
+			//[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+			public virtual void AddRange (Widget[] Widgets)
+			{
+				if (Widgets == null)
+					throw new ArgumentNullException ("Widgets");
+
+				owner.SuspendLayout ();
+
+				try {
+					for (int i = 0; i < Widgets.Length; i++) 
+						Add (Widgets[i]);
+				} finally {
+					owner.ResumeLayout ();
+				}
+			}
+
+			internal virtual void AddRangeImplicit (Widget [] Widgets)
+			{
+				if (Widgets == null)
+					throw new ArgumentNullException ("Widgets");
+
+				owner.SuspendLayout ();
+
+				try {
+					for (int i = 0; i < Widgets.Length; i++)
+						AddImplicit (Widgets [i]);
+				} finally {
+					owner.ResumeLayout (false);
+				}
+			}
+
+			new 
+			public virtual void Clear ()
+			{
+				all_Widgets = null;
+
+				// MS sends remove events in reverse order
+				while (list.Count > 0) {
+					Remove((Widget)list[list.Count - 1]);
+				}
+			}
+
+			internal virtual void ClearImplicit ()
+			{
+				if (impl_list == null)
+					return;
+				all_Widgets = null;
+				impl_list.Clear ();
+			}
+
+			public bool Contains (Widget Widget)
+			{
+				return list.Contains (Widget);
+			}
+
+			internal bool ImplicitContains (Widget value) {
+				if (impl_list == null)
+					return false;
+
+				return impl_list.Contains (value);
+			}
+
+			internal bool AllContains (Widget value) {
+				return Contains (value) || ImplicitContains (value);
+			}
+
+
+			public virtual bool ContainsKey (string key)
+			{
+				return IndexOfKey (key) >= 0;
+			}
+
+
+			// LAMESPEC: MSDN says AE, MS implementation throws ANE
+			public Widget[] Find (string key, bool searchAllChildren)
+			{
+				if (string.IsNullOrEmpty (key))
+					throw new ArgumentNullException ("key");
+
+				ArrayList al = new ArrayList ();
+
+				foreach (Widget c in list) {
+					if (c.Name.Equals (key, StringComparison.CurrentCultureIgnoreCase))
+						al.Add (c);
+
+					if (searchAllChildren)
+						al.AddRange (c.Widgets.Find (key, true));
+				}
+
+				return (Widget[])al.ToArray (typeof (Widget));
+			}
+
+			public int GetChildIndex(Widget child) {
+				return GetChildIndex(child, false);
+			}
+
+			public virtual int GetChildIndex(Widget child, bool throwException) {
+				int index;
+
+				index=list.IndexOf(child);
+
+				if (index==-1 && throwException) {
+					throw new ArgumentException("Not a child Widget", "child");
+				}
+				return index;
+			}
+
+			public override IEnumerator
+			GetEnumerator () {
+				return new WidgetCollectionEnumerator (list);
+			}
+
+			internal IEnumerator GetAllEnumerator () {
+				Widget [] res = GetAllWidgets ();
+				return res.GetEnumerator ();
+			}
+
+			internal ArrayList ImplicitWidgets {
+				get { return impl_list; }
+			}
+
+			internal Widget [] GetAllWidgets () {
+				if (all_Widgets != null)
+					return all_Widgets;
+
+				if (impl_list == null) {
+					all_Widgets = (Widget []) list.ToArray (typeof (Widget));
+					return all_Widgets;
+				}
+
+				all_Widgets = new Widget [list.Count + impl_list.Count];
+				impl_list.CopyTo (all_Widgets);
+				list.CopyTo (all_Widgets, impl_list.Count);
+
+				return all_Widgets;
+			}
+
+			public int IndexOf (Widget Widget)
+			{
+				return list.IndexOf (Widget);
+			}
+
+			public virtual int IndexOfKey (string key)
+			{
+				if (string.IsNullOrEmpty (key))
+					return -1;
+
+				for (int i = 0; i < list.Count; i++)
+					if (((Widget)list[i]).Name.Equals (key, StringComparison.CurrentCultureIgnoreCase))
+						return i;
+
+				return -1;
+			}
+
+			public virtual void Remove (Widget value)
+			{
+				if (value == null || !list.Contains(value))
+					return;
+
+				all_Widgets = null;
+				list.Remove(value);
+
+				owner.PerformLayout(value, "Parent");
+				owner.OnWidgetRemoved(new WidgetEventArgs(value));
+
+				ContainerWidget container = owner.InternalGetContainerWidget ();
+				if (container != null) { 
+					// Inform any container Widgets about the loss of a child Widget
+					// so that they can update their active Widget
+					container.ChildWidgetRemoved (value);
+				}
+
+				value.ChangeParent(null);
+
+				owner.UpdateChildrenZOrder();
+			}
+
+			internal virtual void RemoveImplicit (Widget Widget)
+			{
+				if (impl_list != null) {
+					all_Widgets = null;
+					impl_list.Remove (Widget);
+					owner.PerformLayout (Widget, "Parent");
+					owner.OnWidgetRemoved (new WidgetEventArgs (Widget));
+				}
+				Widget.ChangeParent (null);
+				owner.UpdateChildrenZOrder ();
+			}
+
+			public void RemoveAt (int index)
+			{
+				if (index < 0 || index >= list.Count)
+					throw new ArgumentOutOfRangeException("index", index, "WidgetCollection does not have that many Widgets");
+
+				Remove ((Widget) list [index]);
+			}
+
+			public virtual void RemoveByKey (string key)
+			{
+				int index = IndexOfKey (key);
+
+				if (index >= 0)
+					RemoveAt (index);
+			}
+
+			public virtual void SetChildIndex(Widget child, int newIndex)
+			{
+				if (child == null)
+					throw new ArgumentNullException ("child");
+
+				int	old_index;
+
+				old_index=list.IndexOf(child);
+				if (old_index==-1) {
+					throw new ArgumentException("Not a child Widget", "child");
+				}
+
+				if (old_index==newIndex) {
+					return;
+				}
+
+				all_Widgets = null;
+				list.RemoveAt(old_index);
+
+				if (newIndex>list.Count) {
+					list.Add(child);
+				} else {
+					list.Insert(newIndex, child);
+				}
+				child.UpdateZOrder();
+				owner.PerformLayout();
+			}
+
+			#endregion // WidgetCollection Private Instance Methods
+
+			#region WidgetCollection Interface Properties
+
+			#endregion // WidgetCollection Interface Properties
+
+			#region WidgetCollection Interface Methods
+
+			int IList.Add (object Widget)
+			{
+				if (!(Widget is Widget))
+					throw new ArgumentException ("Object of type Widget required", "Widget");
+
+				if (Widget == null)
+					throw new ArgumentException ("Widget", "Cannot add null Widgets");
+
+				this.Add ((Widget)Widget);
+				return this.IndexOf ((Widget)Widget);
+			}
+
+			void IList.Remove (object Widget)
+			{
+				if (!(Widget is Widget))
+					throw new ArgumentException ("Object of type Widget required", "Widget");
+
+				this.Remove ((Widget)Widget);
+			}
+
+			Object ICloneable.Clone ()
+			{
+				WidgetCollection clone = new WidgetCollection (this.owner);
+				clone.list = (ArrayList)list.Clone ();		// FIXME: Do we need this?
+				return clone;
+			}
+
+			#endregion // WidgetCollection Interface Methods
+
+			internal class WidgetCollectionEnumerator : IEnumerator
+			{
+				private ArrayList list;
+				int position = -1;
+
+				public WidgetCollectionEnumerator (ArrayList collection)
+				{
+					list = collection;
+				}
+
+				#region IEnumerator Members
+				public object Current {
+					get {
+						try {
+							return list[position];
+						} catch (IndexOutOfRangeException) {
+							throw new InvalidOperationException ();
+						}
+					}
+				}
+
+				public bool MoveNext ()
+				{
+					position++;
+					return (position < list.Count);
+				}
+
+				public void Reset ()
+				{
+					position = -1;
+				}
+
+				#endregion
+			}
+		}
+		#endregion	// WidgetCollection Class
+
+		#region Public Constructors
+		public Widget ()
+		{
+			try {
+			if (WindowsFormsSynchronizationContext.AutoInstall)
+			if (!(SynchronizationContext.Current is WindowsFormsSynchronizationContext))
+				SynchronizationContext.SetSynchronizationContext (new WindowsFormsSynchronizationContext ());
+			}
+			catch(Exception ex) {
+				Console.WriteLine ("[ShiftUI] Error: {0}", ex.Message);
+			}
+			layout_type = LayoutType.Anchor;
+			anchor_style = AnchorStyles.Top | AnchorStyles.Left;
+
+			is_created = false;
+			is_visible = true;
+			is_captured = false;
+			is_disposed = false;
+			is_enabled = true;
+			is_entered = false;
+			layout_pending = false;
+			is_toplevel = false;
+			causes_validation = true;
+			has_focus = false;
+			layout_suspended = 0;
+			mouse_clicks = 1;
+			tab_index = -1;
+			cursor = null;
+			right_to_left = RightToLeft.Inherit;
+			border_style = BorderStyle.None;
+			background_color = Color.Empty;
+			dist_right = 0;
+			dist_bottom = 0;
+			tab_stop = true;
+			ime_mode = ImeMode.Inherit;
+			use_compatible_text_rendering = true;
+			show_keyboard_cues = false;
+			show_focus_cues = SystemInformation.MenuAccessKeysUnderlined;
+			use_wait_cursor = false;
+
+			backgroundimage_layout = ImageLayout.Tile;
+			use_compatible_text_rendering = Application.use_compatible_text_rendering;
+			padding = this.DefaultPadding;
+			maximum_size = new Size();
+			minimum_size = new Size();
+			margin = this.DefaultMargin;
+			auto_size_mode = AutoSizeMode.GrowOnly;
+
+			Widget_style = Widgetstyles.UserPaint | Widgetstyles.AllPaintingInWmPaint | 
+				Widgetstyles.Selectable | Widgetstyles.StandardClick | 
+				Widgetstyles.StandardDoubleClick;
+			Widget_style |= Widgetstyles.UseTextForAccessibility;
+
+			parent = null;
+			background_image = null;
+			text = string.Empty;
+			name = string.Empty;
+
+			window_target = new WidgetWindowTarget(this);
+			window = new WidgetNativeWindow(this);
+			child_Widgets = CreateWidgetsInstance();
+
+			bounds.Size = DefaultSize;
+			client_size = ClientSizeFromSize (bounds.Size);
+			client_rect = new Rectangle (Point.Empty, client_size);
+			explicit_bounds = bounds;
+		}
+
+		public Widget (Widget parent, string text) : this()
+		{
+			Text=text;
+			Parent=parent;
+		}
+
+		public Widget (Widget parent, string text, int left, int top, int width, int height) : this()
+		{
+			Parent=parent;
+			SetBounds(left, top, width, height, BoundsSpecified.All);
+			Text=text;
+		}
+
+		public Widget (string text) : this()
+		{
+			Text=text;
+		}
+
+		public Widget (string text, int left, int top, int width, int height) : this()
+		{
+			SetBounds(left, top, width, height, BoundsSpecified.All);
+			Text=text;
+		}
+
+		private delegate void RemoveDelegate(object c);
+
+		protected override void Dispose (bool disposing)
+		{
+			if (!is_disposed && disposing) {
+				is_disposing = true;
+				Capture = false;
+
+				DisposeBackBuffer ();
+
+				if (this.InvokeRequired) {
+					if (Application.MessageLoop && IsHandleCreated) {
+						this.BeginInvokeInternal(new MethodInvoker(DestroyHandle), null);
+					}
+				} else {
+					DestroyHandle();
+				}
+
+				if (parent != null)
+					parent.Widgets.Remove(this);
+
+				Widget [] children = child_Widgets.GetAllWidgets ();
+				for (int i=0; i<children.Length; i++) {
+					children[i].parent = null;	// Need to set to null or our child will try and remove from ourselves and crash
+					children[i].Dispose();
+				}
+			}
+			is_disposed = true;
+			base.Dispose(disposing);
+		}
+		#endregion 	// Public Constructors
+
+		#region Internal Properties
+
+		internal Rectangle PaddingClientRectangle
+		{
+			get {
+				return new Rectangle (
+					ClientRectangle.Left   + padding.Left,
+					ClientRectangle.Top    + padding.Top, 
+					ClientRectangle.Width  - padding.Horizontal, 
+					ClientRectangle.Height - padding.Vertical);
+			}
+		}
+
+		private MenuTracker active_tracker;
+
+		internal MenuTracker ActiveTracker {
+			get { return active_tracker; }
+			set {
+				if (value == active_tracker)
+					return;
+
+				Capture = value != null;
+				active_tracker = value;
+			}
+		}
+
+		// Widget is currently selected, like Focused, except maintains state
+		// when Form loses focus
+		internal bool InternalSelected {
+			get {
+				IContainerWidget container;
+
+				container = GetContainerWidget();
+
+				if (container != null && container.ActiveWidget == this)
+					return true;
+
+				return false;
+			}
+		}
+
+		// Looks for focus in child Widgets
+		// and also in the implicit ones
+		internal bool InternalContainsFocus {
+			get {
+				IntPtr focused_window;
+
+				focused_window = XplatUI.GetFocus();
+				if (IsHandleCreated) {
+					if (focused_window == Handle)
+						return true;
+
+					foreach (Widget child_Widget in child_Widgets.GetAllWidgets ())
+						if (child_Widget.InternalContainsFocus)
+							return true;
+				}
+
+				return false;
+			}
+		}
+
+		// Mouse is currently within the Widget's bounds
+		internal bool Entered {
+			get { return this.is_entered; }
+		}
+
+		internal bool VisibleInternal {
+			get { return is_visible; }
+		}
+
+		internal LayoutType WidgetLayoutType {
+			get { return layout_type; }
+		}
+
+		internal BorderStyle InternalBorderStyle {
+			get {
+				return border_style;
+			}
+
+			set {
+				if (!Enum.IsDefined (typeof (BorderStyle), value))
+					throw new InvalidEnumArgumentException (string.Format("Enum argument value '{0}' is not valid for BorderStyle", value));
+
+				if (border_style != value) {
+					border_style = value;
+
+					if (IsHandleCreated) {
+						XplatUI.SetBorderStyle (window.Handle, (FormBorderStyle)border_style);
+						RecreateHandle ();
+						Refresh ();
+					} else
+						client_size = ClientSizeFromSize (bounds.Size);
+				}
+			}
+		}
+
+		internal Size InternalClientSize { set { this.client_size = value; } }
+		internal virtual bool ActivateOnShow { get { return true; } }
+		internal Rectangle ExplicitBounds { get { return this.explicit_bounds; } set { this.explicit_bounds = value; } }
+
+		internal bool ValidationFailed { 
+			get { 
+				ContainerWidget c = InternalGetContainerWidget ();
+				if (c != null)
+					return c.validation_failed;
+				return false;
+			}
+			set { 
+				ContainerWidget c = InternalGetContainerWidget ();
+				if (c != null)
+					c.validation_failed = value; 
+			}
+		}
+		#endregion	// Internal Properties
+
+		#region Private & Internal Methods
+
+		void IDropTarget.OnDragDrop (DragEventArgs drgEvent)
+		{
+			OnDragDrop (drgEvent);
+		}
+
+		void IDropTarget.OnDragEnter (DragEventArgs drgEvent)
+		{
+			OnDragEnter (drgEvent);
+		}
+
+		void IDropTarget.OnDragLeave (EventArgs e)
+		{
+			OnDragLeave (e);
+		}
+
+		void IDropTarget.OnDragOver (DragEventArgs drgEvent)
+		{
+			OnDragOver (drgEvent);
+		}
+
+		internal IAsyncResult BeginInvokeInternal (Delegate method, object [] args) {
+			return BeginInvokeInternal (method, args, FindWidgetToInvokeOn ());
+		}
+
+		internal IAsyncResult BeginInvokeInternal (Delegate method, object [] args, Widget Widget) {
+			AsyncMethodResult	result;
+			AsyncMethodData		data;
+
+			result = new AsyncMethodResult ();
+			data = new AsyncMethodData ();
+
+			data.Handle = Widget.GetInvokableHandle ();
+			data.Method = method;
+			data.Args = args;
+			data.Result = result;
+
+			if (!ExecutionContext.IsFlowSuppressed ()) {
+				data.Context = ExecutionContext.Capture ();
+			}
+
+			XplatUI.SendAsyncMethod (data);
+			return result;
+		}
+
+		// The CheckForIllegalCrossThreadCalls in the #if 2.0 of
+		// Widget.Handle throws an exception when we are trying
+		// to get the Handle to properly invoke on.  This avoids that.
+		private IntPtr GetInvokableHandle ()
+		{
+			if (!IsHandleCreated)
+				CreateHandle ();
+
+			return window.Handle;
+		}
+
+		internal void PointToClient (ref int x, ref int y) {
+			XplatUI.ScreenToClient (Handle, ref x, ref y);
+		}
+
+		internal void PointToScreen (ref int x, ref int y) {
+			XplatUI.ClientToScreen (Handle, ref x, ref y);
+		}
+
+		internal bool IsRecreating {
+			get {
+				return is_recreating;
+			}
+		}
+
+		internal Graphics DeviceContext {
+			get { return Hwnd.GraphicsContext; }
+		}
+
+		// An internal way to have a fixed height
+		// Basically for DataTimePicker 2.0
+		internal virtual int OverrideHeight (int height)
+		{
+			return height;
+		}
+
+		private void ProcessActiveTracker (ref Message m)
+		{
+			bool is_up = ((Msg) m.Msg == Msg.WM_LBUTTONUP) ||
+				((Msg) m.Msg == Msg.WM_RBUTTONUP);
+
+			MouseButtons mb = FromParamToMouseButtons ((int) m.WParam.ToInt32 ());
+
+			// We add in the button that was released (not sent in WParam)
+			if (is_up) {
+				switch ((Msg)m.Msg) {
+				case Msg.WM_LBUTTONUP:
+					mb |= MouseButtons.Left;
+					break;
+				case Msg.WM_RBUTTONUP:
+					mb |= MouseButtons.Right;
+					break;
+				}
+			}
+
+			MouseEventArgs args = new MouseEventArgs (
+				mb,
+				mouse_clicks,
+				Widget.MousePosition.X,
+				Widget.MousePosition.Y,
+				0);
+
+			if (is_up) {
+				active_tracker.OnMouseUp (args);
+				mouse_clicks = 1;
+			} else {
+				if (!active_tracker.OnMouseDown (args)) {
+					Widget Widget = GetRealChildAtPoint (Cursor.Position);
+					if (Widget != null) {
+						Point pt = Widget.PointToClient (Cursor.Position);
+						XplatUI.SendMessage (Widget.Handle, 
+							(Msg)m.Msg, 
+							m.WParam, 
+							MakeParam (pt.X, pt.Y));
+					}
+				}
+			}
+		}
+
+		private Widget FindWidgetToInvokeOn ()
+		{
+			Widget p = this;
+			do {
+				if (p.IsHandleCreated)
+					break;
+				p = p.parent;
+			} while (p != null);
+
+			if (p == null || !p.IsHandleCreated)
+				throw new InvalidOperationException ("Cannot call Invoke or BeginInvoke on a Widget until the window handle is created");
+
+			return p;
+		}
+
+		private void InvalidateBackBuffer () {
+			if (backbuffer != null)
+				backbuffer.Invalidate ();
+		}
+
+		private DoubleBuffer GetBackBuffer () {
+			if (backbuffer == null)
+				backbuffer = new DoubleBuffer (this);
+			return backbuffer;
+		}
+
+		private void DisposeBackBuffer () {
+			if (backbuffer != null) {
+				backbuffer.Dispose ();
+				backbuffer = null;
+			}
+		}
+
+		internal static void SetChildColor(Widget parent) {
+			Widget	child;
+
+			for (int i=0; i < parent.child_Widgets.Count; i++) {
+				child=parent.child_Widgets[i];
+				if (child.child_Widgets.Count>0) {
+					SetChildColor(child);
+				}
+			}
+		}
+
+		internal bool Select(Widget Widget) {
+			IContainerWidget	container;
+
+			if (Widget == null) {
+				return false;
+			}
+
+			container = GetContainerWidget();
+			if (container != null && (Widget)container != Widget) {
+				container.ActiveWidget = Widget;
+				if (container.ActiveWidget == Widget && !Widget.has_focus && Widget.IsHandleCreated)
+					XplatUI.SetFocus(Widget.window.Handle);
+			}
+			else if (Widget.IsHandleCreated) {
+				XplatUI.SetFocus(Widget.window.Handle);
+			}
+			return true;
+		}
+
+		internal virtual void DoDefaultAction() {
+			// Only here to be overriden by our actual Widgets; this is needed by the accessibility class
+		}
+
+		internal static IntPtr MakeParam (int low, int high){
+			return new IntPtr (high << 16 | low & 0xffff);
+		}
+
+		internal static int LowOrder (int param) {
+			return ((int)(short)(param & 0xffff));
+		}
+
+		internal static int HighOrder (long param) {
+			return ((int)(short)(param >> 16));
+		}
+
+		// This method exists so Widgets overriding OnPaintBackground can have default background painting done
+		internal virtual void PaintWidgetBackground (PaintEventArgs pevent) {
+
+			bool tbstyle_flat = ((CreateParams.Style & (int) ToolBarStyles.TBSTYLE_FLAT) != 0);
+
+			// If we have transparent background
+			if (((BackColor.A != 0xff) && GetStyle(Widgetstyles.SupportsTransparentBackColor)) || tbstyle_flat) {
+				if (parent != null) {
+					PaintEventArgs	parent_pe;
+					GraphicsState	state;
+
+					parent_pe = new PaintEventArgs(pevent.Graphics, new Rectangle(pevent.ClipRectangle.X + Left, pevent.ClipRectangle.Y + Top, pevent.ClipRectangle.Width, pevent.ClipRectangle.Height));
+
+					state = parent_pe.Graphics.Save();
+					parent_pe.Graphics.TranslateTransform(-Left, -Top);
+					parent.OnPaintBackground(parent_pe);
+					parent_pe.Graphics.Restore(state);
+
+					state = parent_pe.Graphics.Save();
+					parent_pe.Graphics.TranslateTransform(-Left, -Top);
+					parent.OnPaint(parent_pe);
+					parent_pe.Graphics.Restore(state);
+					parent_pe.SetGraphics(null);
+				}
+			}
+
+			if ((clip_region != null) && (XplatUI.UserClipWontExposeParent)) {
+				if (parent != null) {
+					PaintEventArgs	parent_pe;
+					Region		region;
+					GraphicsState	state;
+					Hwnd		hwnd;
+
+					hwnd = Hwnd.ObjectFromHandle(Handle);
+
+					if (hwnd != null) {
+						parent_pe = new PaintEventArgs(pevent.Graphics, new Rectangle(pevent.ClipRectangle.X + Left, pevent.ClipRectangle.Y + Top, pevent.ClipRectangle.Width, pevent.ClipRectangle.Height));
+
+						region = new Region ();
+						region.MakeEmpty();
+						region.Union(ClientRectangle);
+
+						foreach (Rectangle r in hwnd.ClipRectangles) {
+							region.Union (r);
+						}
+
+						state = parent_pe.Graphics.Save();
+						parent_pe.Graphics.Clip = region;
+
+						parent_pe.Graphics.TranslateTransform(-Left, -Top);
+						parent.OnPaintBackground(parent_pe);
+						parent_pe.Graphics.Restore(state);
+
+						state = parent_pe.Graphics.Save();
+						parent_pe.Graphics.Clip = region;
+
+						parent_pe.Graphics.TranslateTransform(-Left, -Top);
+						parent.OnPaint(parent_pe);
+						parent_pe.Graphics.Restore(state);
+						parent_pe.SetGraphics(null);
+
+						region.Intersect(clip_region);
+						pevent.Graphics.Clip = region;
+					}
+				}
+			}
+
+			if (background_image == null) {
+				if (!tbstyle_flat) {
+					Rectangle paintRect = pevent.ClipRectangle;
+					Brush pen = ThemeEngine.Current.ResPool.GetSolidBrush(BackColor);
+					pevent.Graphics.FillRectangle(pen, paintRect);
+				}
+				return;
+			}
+
+			DrawBackgroundImage (pevent.Graphics);
+		}
+
+		void DrawBackgroundImage (Graphics g) {
+			Rectangle drawing_rectangle = new Rectangle ();
+			g.FillRectangle (ThemeEngine.Current.ResPool.GetSolidBrush (BackColor), ClientRectangle);
+
+			switch (backgroundimage_layout)
+			{
+			case ImageLayout.Tile:
+				using (TextureBrush b = new TextureBrush (background_image, WrapMode.Tile)) {
+					g.FillRectangle (b, ClientRectangle);
+				}
+				return;
+			case ImageLayout.Center:
+				drawing_rectangle.Location = new Point (ClientSize.Width / 2 - background_image.Width / 2, ClientSize.Height / 2 - background_image.Height / 2);
+				drawing_rectangle.Size = background_image.Size;
+				break;
+			case ImageLayout.None:
+				drawing_rectangle.Location = Point.Empty;
+				drawing_rectangle.Size = background_image.Size;
+				break;
+			case ImageLayout.Stretch:
+				drawing_rectangle = ClientRectangle;
+				break;
+			case ImageLayout.Zoom:
+				drawing_rectangle = ClientRectangle;
+				if ((float)background_image.Width / (float)background_image.Height < (float)drawing_rectangle.Width / (float) drawing_rectangle.Height) {
+					drawing_rectangle.Width = (int) (background_image.Width * ((float)drawing_rectangle.Height / (float)background_image.Height));
+					drawing_rectangle.X = (ClientRectangle.Width - drawing_rectangle.Width) / 2;
+				} else {
+					drawing_rectangle.Height = (int) (background_image.Height * ((float)drawing_rectangle.Width / (float)background_image.Width));
+					drawing_rectangle.Y = (ClientRectangle.Height - drawing_rectangle.Height) / 2;
+				}
+				break;
+			default:
+				return;
+			}
+
+			g.DrawImage (background_image, drawing_rectangle);
+
+		}
+
+		internal virtual void DndEnter (DragEventArgs e) {
+			try {
+				OnDragEnter (e);
+			} catch { }
+		}
+
+		internal virtual void DndOver (DragEventArgs e) {
+			try {
+				OnDragOver (e);
+			} catch { }
+		}
+
+		internal virtual void DndDrop (DragEventArgs e) {
+			try {
+				OnDragDrop (e);
+			} catch (Exception exc) {
+				Console.Error.WriteLine ("MWF: Exception while dropping:");
+				Console.Error.WriteLine (exc);
+			}
+		}
+
+		internal virtual void DndLeave (EventArgs e) {
+			try {
+				OnDragLeave (e);
+			} catch { }
+		}
+
+		internal virtual void DndFeedback(GiveFeedbackEventArgs e) {
+			try {
+				OnGiveFeedback(e);
+			} catch { }
+		}
+
+		internal virtual void DndContinueDrag(QueryContinueDragEventArgs e) {
+			try {
+				OnQueryContinueDrag(e);
+			} catch { }
+		}
+
+		internal static MouseButtons FromParamToMouseButtons (long param) {		
+			MouseButtons buttons = MouseButtons.None;
+
+			if ((param & (long) MsgButtons.MK_LBUTTON) != 0)
+				buttons |= MouseButtons.Left;
+
+			if ((param & (long)MsgButtons.MK_MBUTTON) != 0)
+				buttons |= MouseButtons.Middle;
+
+			if ((param & (long)MsgButtons.MK_RBUTTON) != 0)
+				buttons |= MouseButtons.Right;
+
+			return buttons;
+		}
+
+		internal virtual void FireEnter () {
+			OnEnter (EventArgs.Empty);
+		}
+
+		internal virtual void FireLeave () {
+			OnLeave (EventArgs.Empty);
+		}
+
+		internal virtual void FireValidating (CancelEventArgs ce) {
+			OnValidating (ce);
+		}
+
+		internal virtual void FireValidated () {
+			OnValidated (EventArgs.Empty);
+		}
+
+		internal virtual bool ProcessWidgetMnemonic(char charCode) {
+			return ProcessMnemonic(charCode);
+		}
+
+		private static Widget FindFlatForward(Widget container, Widget start) {
+			Widget	found;
+			int	index;
+			int	end;
+			bool hit;
+
+			found = null;
+			end = container.child_Widgets.Count;
+			hit = false;
+
+			if (start != null) {
+				index = start.tab_index;
+			} else {
+				index = -1;
+			}
+
+			for (int i = 0; i < end; i++) {
+				if (start == container.child_Widgets[i]) {
+					hit = true;
+					continue;
+				}
+
+				if (found == null || found.tab_index > container.child_Widgets[i].tab_index) {
+					if (container.child_Widgets[i].tab_index > index || (hit && container.child_Widgets[i].tab_index == index)) {
+						found = container.child_Widgets[i];
+					}
+				}
+			}
+			return found;
+		}
+
+		private static Widget FindWidgetForward(Widget container, Widget start) {
+			Widget found;
+
+			found = null;
+
+			if (start == null) {
+				return FindFlatForward(container, start);
+			}
+
+			if (start.child_Widgets != null && start.child_Widgets.Count > 0 && 
+				(start == container || !((start is IContainerWidget) &&  start.GetStyle(Widgetstyles.ContainerWidget)))) {
+				return FindWidgetForward(start, null);
+			}
+			else {
+				while (start != container) {
+					found = FindFlatForward(start.parent, start);
+					if (found != null) {
+						return found;
+					}
+					start = start.parent;
+				}
+			}
+			return null;
+		}
+
+		private static Widget FindFlatBackward(Widget container, Widget start) {
+			Widget	found;
+			int	index;
+			int	end;
+			bool hit;
+
+			found = null;
+			end = container.child_Widgets.Count;
+			hit = false;
+
+			if (start != null) {
+				index = start.tab_index;
+			} else {
+				index = int.MaxValue;
+			}
+
+			for (int i = end - 1; i >= 0; i--) {
+				if (start == container.child_Widgets[i]) {
+					hit = true;
+					continue;
+				}
+
+				if (found == null || found.tab_index < container.child_Widgets[i].tab_index) {
+					if (container.child_Widgets[i].tab_index < index || (hit && container.child_Widgets[i].tab_index == index))
+						found = container.child_Widgets[i];
+
+				}
+			}
+			return found;
+		}
+
+		private static Widget FindWidgetBackward(Widget container, Widget start) {
+
+			Widget found = null;
+
+			if (start == null) {
+				found = FindFlatBackward(container, start);
+			}
+			else if (start != container) {
+				if (start.parent != null) {
+					found = FindFlatBackward(start.parent, start);
+
+					if (found == null) {
+						if (start.parent != container)
+							return start.parent;
+						return null;
+					}
+				}
+			}
+
+			if (found == null || start.parent == null)
+				found = start;
+
+			while (found != null && (found == container || (!((found is IContainerWidget) && found.GetStyle(Widgetstyles.ContainerWidget))) &&
+				found.child_Widgets != null && found.child_Widgets.Count > 0)) {
+				//				while (ctl.child_Widgets != null && ctl.child_Widgets.Count > 0 && 
+				//					(ctl == this || (!((ctl is IContainerWidget) && ctl.GetStyle(Widgetstyles.ContainerWidget))))) {
+				found = FindFlatBackward(found, null);
+			}
+
+			return found;
+
+			/*
+			Widget found;
+
+			found = null;
+
+			if (start != null) {
+				found = FindFlatBackward(start.parent, start);
+				if (found == null) {
+					if (start.parent != container) {
+						return start.parent;
+					}
+				}
+			}
+			if (found == null) {
+				found = FindFlatBackward(container, start);
+			}
+
+			if (container != start) {
+				while ((found != null) && (!found.Contains(start)) && found.child_Widgets != null && found.child_Widgets.Count > 0 && !(found is IContainerWidget)) {// || found.GetStyle(Widgetstyles.ContainerWidget))) {
+					found = FindWidgetBackward(found, null);
+					 if (found != null) {
+						return found;
+					}
+				}
+			}
+			return found;
+*/			
+		}
+
+		internal virtual void HandleClick(int clicks, MouseEventArgs me) {
+			bool standardclick = GetStyle (Widgetstyles.StandardClick);
+			bool standardclickclick = GetStyle (Widgetstyles.StandardDoubleClick);
+			if ((clicks > 1) && standardclick && standardclickclick) {
+				OnDoubleClick (me);
+				OnMouseDoubleClick (me);
+			} else if (clicks == 1 && standardclick && !ValidationFailed) {
+				OnClick (me);
+				OnMouseClick (me);
+			}
+		}
+
+		internal void CaptureWithConfine (Widget ConfineWindow) {
+			if (this.IsHandleCreated && !is_captured) {
+				is_captured = true;
+				XplatUI.GrabWindow (this.window.Handle, ConfineWindow.Handle);
+			}
+		}
+
+		private void CheckDataBindings () {
+			if (data_bindings == null)
+				return;
+
+			foreach (Binding binding in data_bindings) {
+				binding.Check ();
+			}
+		}
+
+		private void ChangeParent(Widget new_parent) {
+			bool		pre_enabled;
+			bool		pre_visible;
+			Font		pre_font;
+			Color		pre_fore_color;
+			Color		pre_back_color;
+			RightToLeft	pre_rtl;
+
+			// These properties are inherited from our parent
+			// Get them pre parent-change and then send events
+			// if they are changed after we have our new parent
+			pre_enabled = Enabled;
+			pre_visible = Visible;
+			pre_font = Font;
+			pre_fore_color = ForeColor;
+			pre_back_color = BackColor;
+			pre_rtl = RightToLeft;
+			// MS doesn't seem to send a CursorChangedEvent
+
+			parent = new_parent;
+
+			Form frm = this as Form;
+			if (frm != null) {
+				frm.ChangingParent (new_parent);
+			} else if (IsHandleCreated) {
+				IntPtr parent_handle = IntPtr.Zero;
+				if (new_parent != null && new_parent.IsHandleCreated)
+					parent_handle = new_parent.Handle;
+				XplatUI.SetParent (Handle, parent_handle);
+			}
+
+			OnParentChanged(EventArgs.Empty);
+
+			if (pre_enabled != Enabled) {
+				OnEnabledChanged(EventArgs.Empty);
+			}
+
+			if (pre_visible != Visible) {
+				OnVisibleChanged(EventArgs.Empty);
+			}
+
+			if (pre_font != Font) {
+				OnFontChanged(EventArgs.Empty);
+			}
+
+			if (pre_fore_color != ForeColor) {
+				OnForeColorChanged(EventArgs.Empty);
+			}
+
+			if (pre_back_color != BackColor) {
+				OnBackColorChanged(EventArgs.Empty);
+			}
+
+			if (pre_rtl != RightToLeft) {
+				// MS sneaks a OnCreateWidget and OnHandleCreated in here, I guess
+				// because when RTL changes they have to recreate the win32 Widget
+				// We don't really need that (until someone runs into compatibility issues)
+				OnRightToLeftChanged(EventArgs.Empty);
+			}
+
+			if ((new_parent != null) && new_parent.Created && is_visible && !Created) {
+				CreateWidget();
+			}
+
+			if ((binding_context == null) && Created) {
+				OnBindingContextChanged(EventArgs.Empty);
+			}
+		}
+
+		// Sometimes we need to do this calculation without it being virtual (constructor)
+		internal Size InternalSizeFromClientSize (Size clientSize)
+		{
+			Rectangle ClientRect;
+			Rectangle WindowRect;
+			CreateParams cp;
+
+			ClientRect = new Rectangle (0, 0, clientSize.Width, clientSize.Height);
+			cp = this.CreateParams;
+
+			if (XplatUI.CalculateWindowRect (ref ClientRect, cp, null, out WindowRect))
+				return new Size (WindowRect.Width, WindowRect.Height);
+
+			return Size.Empty;
+		}
+
+		internal Size ClientSizeFromSize (Size size)
+		{
+			// Calling this gives us the difference in Size and ClientSize.
+			// We just have to apply that difference to our given size.
+			Size client_size = this.InternalSizeFromClientSize (size);
+
+			if (client_size == Size.Empty)
+				return Size.Empty;
+
+			return new Size (size.Width - (client_size.Width - size.Width), size.Height - (client_size.Height - size.Height));
+		}
+
+		internal CreateParams GetCreateParams ()
+		{
+			return CreateParams;
+		}
+
+		internal virtual Size GetPreferredSizeCore (Size proposedSize)
+		{
+			return this.explicit_bounds.Size;
+		}
+
+		private void UpdateDistances() {
+			if (parent != null) {
+				if (bounds.Width >= 0)
+					dist_right = parent.ClientSize.Width - bounds.X - bounds.Width;
+				if (bounds.Height >= 0)
+					dist_bottom = parent.ClientSize.Height - bounds.Y - bounds.Height;
+
+				recalculate_distances = false;
+			}
+		}
+
+		private Cursor GetAvailableCursor ()
+		{
+			if (Cursor != null && Enabled) {
+				return Cursor;
+			}
+
+			if (Parent != null) {
+				return Parent.GetAvailableCursor ();
+			}
+
+			return Cursors.Default;
+		}
+
+		private void UpdateCursor ()
+		{
+			if (!IsHandleCreated)
+				return;
+
+			if (!Enabled) {
+				XplatUI.SetCursor (window.Handle, GetAvailableCursor ().handle);
+				return;
+			}
+
+			Point pt = PointToClient (Cursor.Position);
+
+			if (!bounds.Contains (pt) && !Capture)
+				return;
+
+			if (cursor != null || use_wait_cursor) {
+				XplatUI.SetCursor (window.Handle, Cursor.handle);
+			} else {
+				XplatUI.SetCursor (window.Handle, GetAvailableCursor ().handle);
+			}
+		}
+
+		private bool UseDoubleBuffering {
+			get {
+				if (!ThemeEngine.Current.DoubleBufferingSupported)
+					return false;
+
+				// Since many of .Net's Widgets are unmanaged, they are doublebuffered
+				// even though their bits may not be set in managed land.  This allows
+				// us to doublebuffer as well without affecting public style bits.
+				if (force_double_buffer)
+					return true;
+
+				if (DoubleBuffered)
+					return true;
+				return (Widget_style & Widgetstyles.DoubleBuffer) != 0;
+			}
+		}
+
+		internal void OnSizeInitializedOrChanged ()
+		{
+			Form form = this as Form;
+			if (form != null && form.WindowManager != null)
+				ThemeEngine.Current.ManagedWindowOnSizeInitializedOrChanged (form);
+		}
+		#endregion	// Private & Internal Methods
+
+		#region Public Static Properties
+		public static Color DefaultBackColor {
+			get {
+				return ThemeEngine.Current.DefaultControlBackColor;
+			}
+		}
+
+		public static Font DefaultFont {
+			get {
+				return ThemeEngine.Current.DefaultFont;
+			}
+		}
+
+		public static Color DefaultForeColor {
+			get {
+				return ThemeEngine.Current.DefaultControlForeColor;
+			}
+		}
+
+		public static Keys ModifierKeys {
+			get {
+				return XplatUI.State.ModifierKeys;
+			}
+		}
+
+		public static MouseButtons MouseButtons {
+			get {
+				return XplatUI.State.MouseButtons;
+			}
+		}
+
+		public static Point MousePosition {
+			get {
+				return Cursor.Position;
+			}
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		//[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+		[Browsable (false)]
+		[MonoTODO ("Stub, value is not used")]
+		public static bool CheckForIllegalCrossThreadCalls 
+		{
+			get {
+				return verify_thread_handle;
+			}
+
+			set {
+				verify_thread_handle = value;
+			}
+		}
+		#endregion	// Public Static Properties
+
+		#region Public Instance Properties
+		[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public AccessibleObject AccessibilityObject {
+			get {
+				if (accessibility_object==null) {
+					accessibility_object=CreateAccessibilityInstance();
+				}
+				return accessibility_object;
+			}
+		}
+
+		[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public string AccessibleDefaultActionDescription {
+			get {
+				return accessible_default_action;
+			}
+
+			set {
+				accessible_default_action = value;
+			}
+		}
+
+		[Localizable(true)]
+		[DefaultValue(null)]
+		[MWFCategory("Accessibility")]
+		public string AccessibleDescription {
+			get {
+				return accessible_description;
+			}
+
+			set {
+				accessible_description = value;
+			}
+		}
+
+		[Localizable(true)]
+		[DefaultValue(null)]
+		[MWFCategory("Accessibility")]
+		public string AccessibleName {
+			get {
+				return accessible_name;
+			}
+
+			set {
+				accessible_name = value;
+			}
+		}
+
+		[DefaultValue(AccessibleRole.Default)]
+		[MWFDescription("Role of the Widget"), MWFCategory("Accessibility")]
+		public AccessibleRole AccessibleRole {
+			get {
+				return accessible_role;
+			}
+
+			set {
+				accessible_role = value;
+			}
+		}
+
+		[DefaultValue(false)]
+		[MWFCategory("Behavior")]
+		public virtual bool AllowDrop {
+			get {
+				return allow_drop;
+			}
+
+			set {
+				if (allow_drop == value)
+					return;
+				allow_drop = value;
+				if (IsHandleCreated) {
+					UpdateStyles();
+					XplatUI.SetAllowDrop (Handle, value);
+				}
+			}
+		}
+
+		[Localizable(true)]
+		[RefreshProperties(RefreshProperties.Repaint)]
+		[DefaultValue(AnchorStyles.Top | AnchorStyles.Left)]
+		[MWFCategory("Layout")]
+        [MWFDescription("The sides of the parent widget that this one will bind to.")]
+        public virtual AnchorStyles Anchor {
+			get {
+				return anchor_style;
+			}
+
+			set {
+				layout_type = LayoutType.Anchor;
+
+				if (anchor_style == value)
+					return;
+
+				anchor_style=value;
+				dock_style = DockStyle.None;
+
+				UpdateDistances ();
+
+				if (parent != null)
+					parent.PerformLayout(this, "Anchor");
+			}
+		}
+
+		[Browsable (false)]
+		[DefaultValue (typeof (Point), "0, 0")]
+		[EditorBrowsable (EditorBrowsableState.Advanced)]
+		public virtual Point AutoScrollOffset {
+			get {
+				return auto_scroll_offset;
+			}
+
+			set {
+				this.auto_scroll_offset = value;
+			}
+		}
+
+		// XXX: Implement me!
+		bool auto_size;
+
+		[RefreshProperties (RefreshProperties.All)]
+		[Localizable (true)]
+		[DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+		[Browsable (false)]
+		[EditorBrowsable (EditorBrowsableState.Never)]
+		[DefaultValue (false)]
+		public virtual bool AutoSize {
+			get { return auto_size; }
+			set {
+				if (this.auto_size != value) {
+					auto_size = value;
+
+					// If we're turning this off, reset our size
+					if (!value) {
+						Size = explicit_bounds.Size;
+					} else {
+						if (Parent != null)
+							Parent.PerformLayout (this, "AutoSize");
+					}
+
+					OnAutoSizeChanged (EventArgs.Empty);
+				}
+			}
+		}
+
+		[AmbientValue ("{Width=0, Height=0}")]
+		[MWFCategory("Layout")]
+		public virtual Size MaximumSize {
+			get {
+				return maximum_size;
+			}
+			set {
+				if (maximum_size != value) {
+					maximum_size = value;
+					Size = PreferredSize;
+				}
+			}
+		}
+
+		internal bool ShouldSerializeMaximumSize ()
+		{
+			return this.MaximumSize != DefaultMaximumSize;
+		}
+
+		[MWFCategory("Layout")]
+		public virtual Size MinimumSize {
+			get {
+				return minimum_size;
+			}
+			set {
+				if (minimum_size != value) {
+					minimum_size = value;
+					Size = PreferredSize;
+				}
+			}
+		}
+
+		internal bool ShouldSerializeMinimumSize ()
+		{
+			return this.MinimumSize != DefaultMinimumSize;
+		}
+
+		[DispId(-501)]
+		[MWFCategory("Appearance")]
+		public virtual Color BackColor {
+			get {
+				if (background_color.IsEmpty) {
+					if (parent!=null) {
+						Color pcolor = parent.BackColor;
+						if (pcolor.A == 0xff || GetStyle(Widgetstyles.SupportsTransparentBackColor))
+							return pcolor;
+					}
+					return DefaultBackColor;
+				}
+				return background_color;
+			}
+
+			set {
+				if (!value.IsEmpty && (value.A != 0xff) && !GetStyle(Widgetstyles.SupportsTransparentBackColor)) {
+					throw new ArgumentException("Transparent background colors are not supported on this Widget");
+				}
+
+				if (background_color != value) {
+					background_color=value;
+					SetChildColor(this);
+					OnBackColorChanged(EventArgs.Empty);
+					Invalidate();
+				}
+			}
+		}
+
+		internal bool ShouldSerializeBackColor ()
+		{
+			return this.BackColor != DefaultBackColor;
+		}
+
+		[Localizable(true)]
+		[DefaultValue(null)]
+		[MWFCategory("Appearance")]
+		public virtual Image BackgroundImage {
+			get {
+				return background_image;
+			}
+
+			set {
+				if (background_image!=value) {
+					background_image=value;
+					OnBackgroundImageChanged(EventArgs.Empty);
+					Invalidate ();
+				}
+			}
+		}
+
+		[DefaultValue (ImageLayout.Tile)]
+		[Localizable (true)]
+		[MWFCategory("Appearance")]
+		public virtual ImageLayout BackgroundImageLayout {
+			get {
+				return backgroundimage_layout;
+			}
+			set {
+				if (Array.IndexOf (Enum.GetValues (typeof (ImageLayout)), value) == -1)
+					throw new InvalidEnumArgumentException ("value", (int) value, typeof(ImageLayout));
+
+				if (value != backgroundimage_layout) {
+					backgroundimage_layout = value;
+					Invalidate ();
+					OnBackgroundImageLayoutChanged (EventArgs.Empty);
+				}
+
+			}
+		} 
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public virtual BindingContext BindingContext {
+			get {
+				if (binding_context != null)
+					return binding_context;
+				if (Parent == null)
+					return null;
+				binding_context = Parent.BindingContext;
+				return binding_context;
+			}
+			set {
+				if (binding_context != value) {
+					binding_context = value;
+					OnBindingContextChanged(EventArgs.Empty);
+				}
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public int Bottom {
+			get {
+				return this.bounds.Bottom;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public Rectangle Bounds {
+			get {
+				return this.bounds;
+			}
+
+			set {
+				SetBounds(value.Left, value.Top, value.Width, value.Height, BoundsSpecified.All);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool CanFocus {
+			get {
+				if (IsHandleCreated && Visible && Enabled) {
+					return true;
+				}
+				return false;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool CanSelect {
+			get {
+				Widget	parent;
+
+				if (!GetStyle(Widgetstyles.Selectable)) {
+					return false;
+				}
+
+				parent = this;
+				while (parent != null) {
+					if (!parent.is_visible || !parent.is_enabled) {
+						return false;
+					}
+
+					parent = parent.parent;
+				}
+				return true;
+			}
+		}
+
+		internal virtual bool InternalCapture {
+			get {
+				return Capture;
+			}
+
+			set {
+				Capture = value;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool Capture {
+			get {
+				return this.is_captured;
+			}
+
+			set {
+				// Call OnMouseCaptureChanged when we get WM_CAPTURECHANGED.
+				if (value != is_captured) {
+					if (value) {
+						is_captured = true;
+						XplatUI.GrabWindow(Handle, IntPtr.Zero);
+					} else {
+						if (IsHandleCreated)
+							XplatUI.UngrabWindow(Handle);
+						is_captured = false;
+					}
+				}
+			}
+		}
+
+		[DefaultValue(true)]
+		[MWFCategory("Focus")]
+		public bool CausesValidation {
+			get {
+				return this.causes_validation;
+			}
+
+			set {
+				if (this.causes_validation != value) {
+					causes_validation = value;
+					OnCausesValidationChanged(EventArgs.Empty);
+				}
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public Rectangle ClientRectangle {
+			get {
+				client_rect.Width = client_size.Width;
+				client_rect.Height = client_size.Height;
+				return client_rect;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public Size ClientSize {
+			get {
+				#if notneeded
+				if ((this is Form) && (((Form)this).form_parent_window != null)) {
+				return ((Form)this).form_parent_window.ClientSize;
+				}
+				#endif
+
+				return client_size;
+			}
+
+			set {
+				this.SetClientSizeCore(value.Width, value.Height);
+				this.OnClientSizeChanged (EventArgs.Empty);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		[DescriptionAttribute("WidgetCompanyNameDescr")]
+		public String CompanyName {
+			get {
+				return "Mono Project, Novell, Inc.";
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool ContainsFocus {
+			get {
+				IntPtr focused_window;
+
+				focused_window = XplatUI.GetFocus();
+				if (IsHandleCreated) {
+					if (focused_window == Handle) {
+						return true;
+					}
+
+					for (int i=0; i < child_Widgets.Count; i++) {
+						if (child_Widgets[i].ContainsFocus) {
+							return true;
+						}
+					}
+				}
+				return false;
+			}
+		}
+			
+		[DefaultValue (null)]
+		[MWFCategory("Behavior")]
+		public virtual ContextMenuStrip ContextMenuStrip {
+			get { return this.context_menu_strip; }
+			set { 
+				if (this.context_menu_strip != value) {
+					this.context_menu_strip = value;
+					if (value != null)
+						value.container = this;
+					OnContextMenuStripChanged (EventArgs.Empty);
+				}
+			}
+		}
+
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
+		public WidgetCollection Widgets {
+			get {
+				return this.child_Widgets;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool Created {
+			get {
+				return (!is_disposed && is_created);
+			}
+		}
+
+		[AmbientValue(null)]
+		[MWFCategory("Appearance")]
+		public virtual Cursor Cursor {
+			get {
+				if (use_wait_cursor)
+					return Cursors.WaitCursor;
+
+				if (cursor != null) {
+					return cursor;
+				}
+
+				if (parent != null) {
+					return parent.Cursor;
+				}
+
+				return Cursors.Default;
+			}
+
+			set {
+				if (cursor == value) {
+					return;
+				}
+
+				cursor = value;
+				UpdateCursor ();
+
+				OnCursorChanged (EventArgs.Empty);
+			}
+		}
+
+		internal bool ShouldSerializeCursor ()
+		{
+			return this.Cursor != Cursors.Default;
+		}
+
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
+		[ParenthesizePropertyName(true)]
+		[RefreshProperties(RefreshProperties.All)]
+		[MWFCategory("Data")]
+		public WidgetBindingsCollection DataBindings {
+			get {
+				if (data_bindings == null)
+					data_bindings = new WidgetBindingsCollection (this);
+				return data_bindings;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public virtual Rectangle DisplayRectangle {
+			get {
+				// for the Widget class the DisplayRectangle == ClientRectangle
+				return ClientRectangle;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool Disposing {
+			get {
+				return is_disposed;
+			}
+		}
+
+		[Localizable(true)]
+		[RefreshProperties(RefreshProperties.Repaint)]
+		[DefaultValue(DockStyle.None)]
+		[MWFCategory("Layout")]
+		public virtual DockStyle Dock {
+			get {
+				return dock_style;
+			}
+
+			set {
+				// If the user sets this to None, we need to still use Anchor layout
+				if (value != DockStyle.None)
+					layout_type = LayoutType.Dock;
+
+				if (dock_style == value) {
+					return;
+				}
+
+				if (!Enum.IsDefined (typeof (DockStyle), value)) {
+					throw new InvalidEnumArgumentException ("value", (int) value,
+						typeof (DockStyle));
+				}
+
+				dock_style = value;
+				anchor_style = AnchorStyles.Top | AnchorStyles.Left;
+
+				if (dock_style == DockStyle.None) {
+					bounds = explicit_bounds;
+					layout_type = LayoutType.Anchor;
+				}
+
+				if (parent != null)
+					parent.PerformLayout(this, "Dock");
+				else if (Widgets.Count > 0)
+					PerformLayout ();
+
+				OnDockChanged(EventArgs.Empty);
+			}
+		}
+
+		protected virtual bool DoubleBuffered {
+			get {
+				return (Widget_style & Widgetstyles.OptimizedDoubleBuffer) != 0;
+			}
+
+			set {
+				if (value == DoubleBuffered)
+					return;
+				if (value) {
+					SetStyle (Widgetstyles.OptimizedDoubleBuffer | Widgetstyles.AllPaintingInWmPaint, true);
+				} else {
+					SetStyle (Widgetstyles.OptimizedDoubleBuffer, false);
+				}
+
+			}
+		}
+
+		public void DrawToBitmap (Bitmap bitmap, Rectangle targetBounds)
+		{
+			Graphics g = Graphics.FromImage (bitmap);
+
+			// Only draw within the target bouds, and up to the size of the Widget
+			g.IntersectClip (targetBounds);
+			g.IntersectClip (Bounds);
+
+			// Logic copied from WmPaint
+			PaintEventArgs pea = new PaintEventArgs (g, targetBounds);
+
+			if (!GetStyle (Widgetstyles.Opaque))
+				OnPaintBackground (pea);
+
+			OnPaintBackgroundInternal (pea);
+
+			OnPaintInternal (pea);
+
+			if (!pea.Handled)
+				OnPaint (pea);
+
+			g.Dispose ();
+		}
+
+		[DispId(-514)]
+		[Localizable(true)]
+		[MWFCategory("Behavior")]
+		public bool Enabled {
+			get {
+				if (!is_enabled) {
+					return false;
+				}
+
+				if (parent != null) {
+					return parent.Enabled;
+				}
+
+				return true;
+			}
+
+			set {
+				if (this.is_enabled == value)
+					return;
+
+				bool old_value = is_enabled;
+
+				is_enabled = value;
+
+				if (!value)
+					UpdateCursor ();
+
+				if (old_value != value && !value && this.has_focus)
+					SelectNextWidget(this, true, true, true, true);
+
+				OnEnabledChanged (EventArgs.Empty);
+			}
+		}
+
+		internal bool ShouldSerializeEnabled ()
+		{
+			return this.Enabled != true;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public virtual bool Focused {
+			get {
+				return this.has_focus;
+			}
+		}
+
+		[DispId(-512)]
+		[AmbientValue(null)]
+		[Localizable(true)]
+		[MWFCategory("Appearance")]
+		public virtual Font Font {
+			[return: MarshalAs (UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof (Font))]
+			get {
+				if (font != null)
+					return font;
+
+				if (parent != null) {
+					Font f = parent.Font;
+
+					if (f != null)
+						return f;
+				}
+
+				return DefaultFont;
+			}
+
+			[param:MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(Font))]
+			set {
+				if (font != null && font == value) {
+					return;
+				}
+
+				font = value;
+				Invalidate();
+				OnFontChanged (EventArgs.Empty);
+				PerformLayout ();
+			}
+		}
+
+		internal bool ShouldSerializeFont ()
+		{
+			return !this.Font.Equals (DefaultFont);
+		}
+
+		[DispId(-513)]
+		[MWFCategory("Appearance")]
+		public virtual Color ForeColor {
+			get {
+				if (foreground_color.IsEmpty) {
+					if (parent!=null) {
+						return parent.ForeColor;
+					}
+					return DefaultForeColor;
+				}
+				return foreground_color;
+			}
+
+			set {
+				if (foreground_color != value) {
+					foreground_color=value;
+					Invalidate();
+					OnForeColorChanged(EventArgs.Empty);
+				}
+			}
+		}
+
+		internal bool ShouldSerializeForeColor ()
+		{
+			return this.ForeColor != DefaultForeColor;
+		}
+
+		[DispId(-515)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public IntPtr Handle {							// IWin32Window
+			get {
+				if (verify_thread_handle) {
+					if (this.InvokeRequired) {
+						throw new InvalidOperationException("Cross-thread access of handle detected. Handle access only valid on thread that created the Widget");
+					}
+				}
+				if (!IsHandleCreated) {
+					CreateHandle();
+				}
+				return window.Handle;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool HasChildren {
+			get {
+				if (this.child_Widgets.Count>0) {
+					return true;
+				}
+				return false;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Always)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public int Height {
+			get { return this.bounds.Height; }
+			set { SetBounds(bounds.X, bounds.Y, bounds.Width, value, BoundsSpecified.Height); }
+		}
+
+		[AmbientValue(ImeMode.Inherit)]
+		[Localizable(true)]
+		[MWFCategory("Behavior")]
+		public ImeMode ImeMode {
+			get {
+				if (ime_mode == ImeMode.Inherit) {
+					if (parent != null)
+						return parent.ImeMode;
+					else
+						return ImeMode.NoControl; // default value
+				}
+				return ime_mode;
+			}
+
+			set {
+				if (ime_mode != value) {
+					ime_mode = value;
+
+					OnImeModeChanged(EventArgs.Empty);
+				}
+			}
+		}
+
+		internal bool ShouldSerializeImeMode ()
+		{
+			return this.ImeMode != ImeMode.NoControl;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool InvokeRequired {						// ISynchronizeInvoke
+			get {
+				if (creator_thread != null && creator_thread!=Thread.CurrentThread) {
+					return true;
+				}
+				return false;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool IsAccessible {
+			get {
+				return is_accessible;
+			}
+
+			set {
+				is_accessible = value;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool IsDisposed {
+			get {
+				return this.is_disposed;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool IsHandleCreated {
+			get {
+				if (window == null || window.Handle == IntPtr.Zero)
+					return false;
+
+				Hwnd hwnd = Hwnd.ObjectFromHandle (window.Handle);
+				if (hwnd != null && hwnd.zombie)
+					return false;
+
+				return true;
+			}
+		}
+
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		[MonoNotSupported ("RTL is not supported")]
+		public bool IsMirrored {
+			get { return false; }
+		}
+
+		[Browsable (false)]
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		public virtual Layout.LayoutEngine LayoutEngine {
+			get {
+				if (layout_engine == null)
+					layout_engine = new Layout.DefaultLayout ();
+				return layout_engine;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Always)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public int Left {
+			get {
+				return this.bounds.Left;
+			}
+
+			set {
+				SetBounds(value, bounds.Y, bounds.Width, bounds.Height, BoundsSpecified.X);
+			}
+		}
+
+		[Localizable(true)]
+		[MWFCategory("Layout")]
+		public Point Location {
+			get {
+				return this.bounds.Location;
+			}
+
+			set {
+				SetBounds(value.X, value.Y, bounds.Width, bounds.Height, BoundsSpecified.Location);
+			}
+		}
+
+		internal bool ShouldSerializeLocation ()
+		{
+			return this.Location != new Point (0, 0);
+		}
+
+		[Localizable (true)]
+		[MWFCategory("Layout")]
+		public Padding Margin {
+			get { return this.margin; }
+			set { 
+				if (this.margin != value) {
+					this.margin = value; 
+					if (Parent != null)
+						Parent.PerformLayout (this, "Margin");
+					OnMarginChanged (EventArgs.Empty);
+				}
+			}
+		}
+
+		internal bool ShouldSerializeMargin ()
+		{
+			return this.Margin != DefaultMargin;
+		}
+
+		[Browsable(false)]
+		public string Name {
+			get {
+				return name;
+			}
+
+			set {
+				name = value;
+			}
+		}
+
+		[Localizable(true)]
+		[MWFCategory("Layout")]
+		public Padding Padding {
+			get {
+				return padding;
+			}
+
+			set {
+				if (padding != value) {
+					padding = value;
+					OnPaddingChanged (EventArgs.Empty);
+
+					// Changing padding generally requires a new size
+					if (this.AutoSize && this.Parent != null)
+						parent.PerformLayout (this, "Padding");
+					else
+						PerformLayout (this, "Padding");
+				}
+			}
+		}
+
+		internal bool ShouldSerializePadding ()
+		{
+			return this.Padding != DefaultPadding;
+		}
+
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public Widget Parent {
+			get {
+				return this.parent;
+			}
+
+			set {
+				if (value == this) {
+					throw new ArgumentException("A circular Widget reference has been made. A Widget cannot be owned or parented to itself.");
+				}
+
+				if (parent!=value) {
+					if (value==null) {
+						parent.Widgets.Remove(this);
+						parent = null;
+						return;
+					}
+
+					value.Widgets.Add(this);
+				}
+			}
+		}
+
+		[Browsable (false)]
+		public Size PreferredSize {
+			get { return this.GetPreferredSize (Size.Empty); }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public string ProductName {
+			get {
+				Type t = typeof (AssemblyProductAttribute);
+				Assembly assembly = GetType().Module.Assembly;
+				object [] attrs = assembly.GetCustomAttributes (t, false);
+				AssemblyProductAttribute a = null;
+				// On MS we get a NullRefException if product attribute is not
+				// set. 
+				if (attrs != null && attrs.Length > 0)
+					a = (AssemblyProductAttribute) attrs [0];
+				if (a == null) {
+					return GetType ().Namespace;
+				}
+				return a.Product;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public string ProductVersion {
+			get {
+				Type t = typeof (AssemblyVersionAttribute);
+				Assembly assembly = GetType().Module.Assembly;
+				object [] attrs = assembly.GetCustomAttributes (t, false);
+				if (attrs == null || attrs.Length < 1)
+					return "1.0.0.0";
+				return ((AssemblyVersionAttribute)attrs [0]).Version;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public bool RecreatingHandle {
+			get {
+				return is_recreating;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public Region Region {
+			get {
+				return clip_region;
+			}
+
+			set {
+				if (clip_region != value) {
+					if (IsHandleCreated)
+						XplatUI.SetClipRegion(Handle, value);
+
+					clip_region = value;
+
+					OnRegionChanged (EventArgs.Empty);
+				}
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public int Right {
+			get {
+				return this.bounds.Right;
+			}
+		}
+
+		[AmbientValue(RightToLeft.Inherit)]
+		[Localizable(true)]
+		[MWFCategory("Appearance")]
+		public virtual RightToLeft RightToLeft {
+			get {
+				if (right_to_left == RightToLeft.Inherit) {
+					if (parent != null)
+						return parent.RightToLeft;
+					else
+						return RightToLeft.No; // default value
+				}
+				return right_to_left;
+			}
+
+			set {
+				if (value != right_to_left) {
+					right_to_left = value;
+					OnRightToLeftChanged(EventArgs.Empty);
+					PerformLayout ();
+				}
+			}
+		}
+
+		internal bool ShouldSerializeRightToLeft ()
+		{
+			return this.RightToLeft != RightToLeft.No;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public override ISite Site {
+			get {
+				return base.Site;
+			}
+
+			set {
+				base.Site = value;
+
+				if (value != null) {
+					AmbientProperties ap = (AmbientProperties) value.GetService (typeof (AmbientProperties));
+					if (ap != null) {
+						BackColor = ap.BackColor;
+						ForeColor = ap.ForeColor;
+						Cursor = ap.Cursor;
+						Font = ap.Font;
+					}
+				}
+			}
+		}
+
+		internal bool ShouldSerializeSite ()
+		{
+			return false;
+		}
+
+		[Localizable(true)]
+		[MWFCategory("Layout")]
+		public Size Size {
+			get {
+				return new Size(Width, Height);
+			}
+
+			set {
+				SetBounds(bounds.X, bounds.Y, value.Width, value.Height, BoundsSpecified.Size);
+			}
+		}
+
+		internal virtual bool ShouldSerializeSize ()
+		{
+			return this.Size != DefaultSize;
+		}
+
+		[Localizable(true)]
+		[MergableProperty(false)]
+		[MWFCategory("Behavior")]
+		public int TabIndex {
+			get {
+				if (tab_index != -1) {
+					return tab_index;
+				}
+				return 0;
+			}
+
+			set {
+				if (tab_index != value) {
+					tab_index = value;
+					OnTabIndexChanged(EventArgs.Empty);
+				}
+			}
+		}
+
+		[DispId(-516)]
+		[DefaultValue(true)]
+		[MWFCategory("Behavior")]
+		public bool TabStop {
+			get {
+				return tab_stop;
+			}
+
+			set {
+				if (tab_stop != value) {
+					tab_stop = value;
+					OnTabStopChanged(EventArgs.Empty);
+				}
+			}
+		}
+
+		[Localizable(false)]
+		[Bindable(true)]
+		[TypeConverter(typeof(StringConverter))]
+		[DefaultValue(null)]
+		[MWFCategory("Data")]
+		public object Tag {
+			get {
+				return Widget_tag;
+			}
+
+			set {
+				Widget_tag = value;
+			}
+		}
+
+		[DispId(-517)]
+		[Localizable(true)]
+		[BindableAttribute(true)]
+		[MWFCategory("Appearance")]
+		public virtual string Text {
+			get {
+				// Our implementation ignores Widgetstyles.CacheText - we always cache
+				return this.text;
+			}
+
+			set {
+				if (value == null) {
+					value = String.Empty;
+				}
+
+				if (text!=value) {
+					text=value;
+					UpdateWindowText ();
+					OnTextChanged (EventArgs.Empty);
+
+					// Label has its own AutoSize implementation
+					if (AutoSize && Parent != null && (!(this is Label)))
+						Parent.PerformLayout (this, "Text");
+				}
+			}
+		}
+
+		internal virtual void UpdateWindowText ()
+		{
+			if (!IsHandleCreated) {
+				return;
+			}
+			XplatUI.Text (Handle, text);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Always)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public int Top {
+			get {
+				return this.bounds.Top;
+			}
+
+			set {
+				SetBounds(bounds.X, value, bounds.Width, bounds.Height, BoundsSpecified.Y);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public Widget TopLevelWidget {
+			get {
+				Widget	p = this;
+
+				while (p.parent != null) {
+					p = p.parent;
+				}
+
+				return p is Form ? p : null;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Always)]
+		[Browsable(true)]
+		[DefaultValue (false)]
+		[MWFCategory("Appearance")]
+		public bool UseWaitCursor {
+			get { return use_wait_cursor; }
+			set {
+				if (use_wait_cursor != value) {
+					use_wait_cursor = value;
+					UpdateCursor ();
+					OnCursorChanged (EventArgs.Empty);
+				}
+			}
+		}
+
+		[Localizable(true)]
+		[MWFCategory("Behavior")]
+		public bool Visible {
+			get {
+				if (!is_visible) {
+					return false;
+				} else if (parent != null) {
+					return parent.Visible;
+				}
+
+				return true;
+			}
+
+			set {
+				if (this.is_visible != value) {
+					SetVisibleCore(value);
+
+					if (parent != null)
+						parent.PerformLayout (this, "Visible");
+				}
+			}
+		}
+
+		internal bool ShouldSerializeVisible ()
+		{
+			return this.Visible != true;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Always)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public int Width {
+			get {
+				return this.bounds.Width;
+			}
+
+			set {
+				SetBounds(bounds.X, bounds.Y, value, bounds.Height, BoundsSpecified.Width);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		public IWindowTarget WindowTarget {
+			get { return window_target; }
+			set { window_target = value; }
+		}
+		#endregion	// Public Instance Properties
+
+		#region	Protected Instance Properties
+		protected virtual bool CanEnableIme {
+			get { return false; }
+		}
+
+		// Is only false in some ActiveX contexts
+		protected override bool CanRaiseEvents {
+			get { return true; }
+		}
+
+		protected virtual CreateParams CreateParams {
+			get {
+				CreateParams create_params = new CreateParams();
+
+				try {
+					create_params.Caption = Text;
+				}
+				catch {
+					create_params.Caption = text;
+				}
+
+				try {
+					create_params.X = Left;
+				}
+				catch {
+					create_params.X = this.bounds.X;
+				}
+
+				try {
+					create_params.Y = Top;
+				}
+				catch {
+					create_params.Y = this.bounds.Y;
+				}
+
+				try {
+					create_params.Width = Width;
+				}
+				catch {
+					create_params.Width = this.bounds.Width;
+				}
+
+				try {
+					create_params.Height = Height;
+				}
+				catch {
+					create_params.Height = this.bounds.Height;
+				}
+
+
+				create_params.ClassName = XplatUI.GetDefaultClassName (GetType ());
+				create_params.ClassStyle = (int)(XplatUIWin32.ClassStyle.CS_OWNDC | XplatUIWin32.ClassStyle.CS_DBLCLKS);
+				create_params.ExStyle = 0;
+				create_params.Param = 0;
+
+				if (allow_drop) {
+					create_params.ExStyle |= (int)WindowExStyles.WS_EX_ACCEPTFILES;
+				}
+
+				if ((parent!=null) && (parent.IsHandleCreated)) {
+					create_params.Parent = parent.Handle;
+				}
+
+				create_params.Style = (int)WindowStyles.WS_CHILD | (int)WindowStyles.WS_CLIPCHILDREN | (int)WindowStyles.WS_CLIPSIBLINGS;
+
+				if (is_visible) {
+					create_params.Style |= (int)WindowStyles.WS_VISIBLE;
+				}
+
+				if (!is_enabled) {
+					create_params.Style |= (int)WindowStyles.WS_DISABLED;
+				}
+
+				switch (border_style) {
+				case BorderStyle.FixedSingle:
+					create_params.Style |= (int) WindowStyles.WS_BORDER;
+					break;
+				case BorderStyle.Fixed3D:
+					create_params.ExStyle |= (int) WindowExStyles.WS_EX_CLIENTEDGE;
+					break;
+				}
+
+				create_params.control = this;
+
+				return create_params;
+			}
+		}
+
+		protected virtual Cursor DefaultCursor { get { return Cursors.Default; } }
+
+		protected virtual ImeMode DefaultImeMode {
+			get {
+				return ImeMode.Inherit;
+			}
+		}
+
+		protected virtual Padding DefaultMargin {
+			get { return new Padding (3); }
+		}
+
+		protected virtual Size DefaultMaximumSize { get { return new Size (); } }
+		protected virtual Size DefaultMinimumSize { get { return new Size (); } }
+		protected virtual Padding DefaultPadding { get { return new Padding (); } }
+
+		protected virtual Size DefaultSize {
+			get {
+				return new Size(0, 0);
+			}
+		}
+
+		protected int FontHeight {
+			get {
+				return Font.Height;
+			}
+
+			set {
+				;; // Nothing to do
+			}
+		}
+		[Obsolete ()]
+		protected bool RenderRightToLeft {
+			get {
+				return (this.right_to_left == RightToLeft.Yes);
+			}
+		}
+
+		protected bool ResizeRedraw {
+			get {
+				return GetStyle(Widgetstyles.ResizeRedraw);
+			}
+
+			set {
+				SetStyle(Widgetstyles.ResizeRedraw, value);
+			}
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual bool ScaleChildren {
+			get { return ScaleChildrenInternal; }
+		}
+
+		internal virtual bool ScaleChildrenInternal {
+			get { return true; }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		protected internal virtual bool ShowFocusCues {
+			get {
+				if (this is Form)
+					return show_focus_cues;
+
+				if (this.parent == null)
+					return false;
+
+				Form f = this.FindForm ();
+
+				if (f != null)
+					return f.show_focus_cues;
+
+				return false;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		//[DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+		internal virtual protected bool ShowKeyboardCues {
+			get {
+				return ShowKeyboardCuesInternal;
+			}
+		}
+
+		internal bool ShowKeyboardCuesInternal {
+			get {
+				if (SystemInformation.MenuAccessKeysUnderlined || DesignMode)
+					return true; 
+
+				return show_keyboard_cues;
+			}
+		}
+
+		#endregion	// Protected Instance Properties
+
+		#region Public Static Methods
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public static Widget FromChildHandle(IntPtr handle) {
+			return Widget.WidgetNativeWindow.WidgetFromChildHandle (handle);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public static Widget FromHandle(IntPtr handle) {
+			return Widget.WidgetNativeWindow.WidgetFromHandle(handle);
+		}
+
+		[MonoTODO ("Only implemented for Win32, others always return false")]
+		public static bool IsKeyLocked (Keys keyVal)
+		{
+			switch (keyVal) {
+			case Keys.CapsLock:
+			case Keys.NumLock:
+			case Keys.Scroll:
+				return XplatUI.IsKeyLocked ((VirtualKeys)keyVal);
+			default:
+				throw new NotSupportedException ("keyVal must be CapsLock, NumLock, or ScrollLock");
+			}
+		}
+
+		public static bool IsMnemonic(char charCode, string text) {
+			int amp;
+
+			amp = text.IndexOf('&');
+
+			if (amp != -1) {
+				if (amp + 1 < text.Length) {
+					if (text[amp + 1] != '&') {
+						if (Char.ToUpper(charCode) == Char.ToUpper(text.ToCharArray(amp + 1, 1)[0])) {
+							return true;
+						}	
+					}
+				}
+			}
+			return false;
+		}
+		#endregion
+
+		#region Protected Static Methods
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected static bool ReflectMessage(IntPtr hWnd, ref Message m) {
+			Widget	c;
+
+			c = Widget.FromHandle(hWnd);
+
+			if (c != null) {
+				c.WndProc(ref m);
+				return true;
+			}
+			return false;
+		}
+		#endregion
+
+		#region	Public Instance Methods
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public IAsyncResult BeginInvoke(Delegate method) {
+			object [] prms = null;
+			if (method is EventHandler)
+				prms = new object [] { this, EventArgs.Empty };
+			return BeginInvokeInternal(method, prms);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public IAsyncResult BeginInvoke (Delegate method, params object[] args)
+		{
+			return BeginInvokeInternal (method, args);
+		}
+
+		public void BringToFront() {
+			if (parent != null) {
+				parent.child_Widgets.SetChildIndex(this, 0);
+			}
+			else if (IsHandleCreated) {
+				XplatUI.SetZOrder(Handle, IntPtr.Zero, false, false);
+			}
+		}
+
+		public bool Contains(Widget ctl) {
+			while (ctl != null) {
+				ctl = ctl.parent;
+				if (ctl == this) {
+					return true;
+				}
+			}
+			return false;
+		}
+
+		public void CreateWidget () {
+			if (is_created) {
+				return;
+			}
+
+			if (is_disposing) {
+				return;
+			}
+
+			if (!is_visible) {
+				return;
+			}
+
+			if (parent != null && !parent.Created) {
+				return;
+			}
+
+			if (!IsHandleCreated) {
+				CreateHandle();
+			}
+
+			if (!is_created) {
+				is_created = true;
+
+				// Create all of our children (implicit ones as well) when we are created.
+				// The child should fire it's OnLoad before the parents, however
+				// if the child checks Parent.Created in it's OnCreateWidget, the
+				// parent is already created.
+				foreach (Widget c in Widgets.GetAllWidgets ())
+					if (!c.Created && !c.IsDisposed)
+						c.CreateWidget ();
+
+				OnCreateWidget();
+			}
+		}
+
+		public Graphics CreateGraphics() {
+			if (!IsHandleCreated) {
+				this.CreateHandle();
+			}
+			return Graphics.FromHwnd(this.window.Handle);
+		}
+
+		public DragDropEffects DoDragDrop(object data, DragDropEffects allowedEffects) {
+			DragDropEffects result = DragDropEffects.None;
+			if (IsHandleCreated)
+				result = XplatUI.StartDrag(Handle, data, allowedEffects);
+			OnDragDropEnd (result);
+			return result;
+		}
+
+		internal virtual void OnDragDropEnd (DragDropEffects effects)
+		{
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public object EndInvoke (IAsyncResult asyncResult) {
+			AsyncMethodResult result = (AsyncMethodResult) asyncResult;
+			return result.EndInvoke ();
+		}
+
+		internal Widget FindRootParent ()
+		{
+			Widget	c = this;
+
+			while (c.Parent != null)
+				c = c.Parent;
+
+			return c;
+		}
+
+		public Form FindForm() {
+			Widget	c;
+
+			c = this;
+			while (c != null) {
+				if (c is Form) {
+					return (Form)c;
+				}
+				c = c.Parent;
+			}
+			return null;
+		}
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		public bool Focus() {
+			return FocusInternal (false);
+		}
+
+		internal virtual bool FocusInternal (bool skip_check) {
+			if (skip_check || (CanFocus && IsHandleCreated && !has_focus && !is_focusing)) {
+				is_focusing = true;
+				Select(this);
+				is_focusing = false;
+			}
+			return has_focus;
+		}
+
+		internal Widget GetRealChildAtPoint (Point pt) {
+			if (!IsHandleCreated)
+				CreateHandle ();
+
+			foreach (Widget Widget in child_Widgets.GetAllWidgets ()) {
+				if (Widget.Bounds.Contains (PointToClient (pt))) {
+					Widget child = Widget.GetRealChildAtPoint (pt);
+					if (child == null)
+						return Widget;
+					else
+						return child;
+				}
+			}
+
+			return null;
+		}
+
+		public Widget GetChildAtPoint(Point pt)
+		{
+			return GetChildAtPoint (pt, GetChildAtPointSkip.None);
+		}
+
+		public Widget GetChildAtPoint (Point pt, GetChildAtPointSkip skipValue)
+		{
+			// MS's version causes the handle to be created.  The stack trace shows that get_Handle is called here, but
+			// we'll just call CreateHandle instead.
+			if (!IsHandleCreated)
+				CreateHandle ();
+
+			// Microsoft's version of this function doesn't seem to work, so I can't check
+			// if we only consider children or also grandchildren, etc.
+			// I'm gonna say 'children only'
+			foreach (Widget child in Widgets) {
+				if ((skipValue & GetChildAtPointSkip.Disabled) == GetChildAtPointSkip.Disabled && !child.Enabled)
+					continue;
+				else if ((skipValue & GetChildAtPointSkip.Invisible) == GetChildAtPointSkip.Invisible && !child.Visible)
+					continue;
+				else if ((skipValue & GetChildAtPointSkip.Transparent) == GetChildAtPointSkip.Transparent && child.BackColor.A == 0x0)
+					continue;
+				else if (child.Bounds.Contains (pt))
+					return child;
+			}
+
+			return null;
+		}
+
+		public IContainerWidget GetContainerWidget() {
+			Widget	current = this;
+
+			while (current!=null) {
+				if ((current is IContainerWidget) && ((current.Widget_style & Widgetstyles.ContainerWidget)!=0)) {
+					return (IContainerWidget)current;
+				}
+				current = current.parent;
+			}
+			return null;
+		}
+
+		internal ContainerWidget InternalGetContainerWidget() {
+			Widget	current = this;
+
+			while (current!=null) {
+				if ((current is ContainerWidget) && ((current.Widget_style & Widgetstyles.ContainerWidget)!=0)) {
+					return current as ContainerWidget;
+				}
+				current = current.parent;
+			}
+			return null;
+		}
+
+		public Widget GetNextWidget(Widget ctl, bool forward) {
+
+			if (!this.Contains(ctl)) {
+				ctl = this;
+			}
+
+			if (forward) {
+				ctl = FindWidgetForward(this, ctl);
+			}
+			else {
+				ctl = FindWidgetBackward(this, ctl);
+			}
+
+			if (ctl != this) {
+				return ctl;
+			}
+			return null;
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		public virtual Size GetPreferredSize (Size proposedSize) {
+			Size retsize = GetPreferredSizeCore (proposedSize);
+
+			// If we're bigger than the MaximumSize, fix that
+			if (this.maximum_size.Width != 0 && retsize.Width > this.maximum_size.Width)
+				retsize.Width = this.maximum_size.Width;
+			if (this.maximum_size.Height != 0 && retsize.Height > this.maximum_size.Height)
+				retsize.Height = this.maximum_size.Height;
+
+			// If we're smaller than the MinimumSize, fix that
+			if (this.minimum_size.Width != 0 && retsize.Width < this.minimum_size.Width)
+				retsize.Width = this.minimum_size.Width;
+			if (this.minimum_size.Height != 0 && retsize.Height < this.minimum_size.Height)
+				retsize.Height = this.minimum_size.Height;
+
+			return retsize;
+		}
+
+		public void Hide() {
+			this.Visible = false;
+		}
+
+		public void Invalidate ()
+		{
+			Invalidate (ClientRectangle, false);
+		}
+
+		public void Invalidate (bool invalidateChildren)
+		{
+			Invalidate (ClientRectangle, invalidateChildren);
+		}
+
+		public void Invalidate (Rectangle rc)
+		{
+			Invalidate (rc, false);
+		}
+
+		public void Invalidate (Rectangle rc, bool invalidateChildren)
+		{
+			// Win32 invalidates Widget including when Width and Height is equal 0
+			// or is not visible, only Paint event must be care about this.
+			if (!IsHandleCreated)
+				return;
+
+			if (rc.IsEmpty)
+				rc = ClientRectangle;
+
+			if  (rc.Width > 0 && rc.Height > 0) {
+
+				NotifyInvalidate(rc);
+
+				XplatUI.Invalidate(Handle, rc, false);
+
+				if (invalidateChildren) {
+					Widget [] Widgets = child_Widgets.GetAllWidgets ();
+					for (int i=0; i<Widgets.Length; i++)
+						Widgets [i].Invalidate ();
+				} else {
+					// If any of our children are transparent, we
+					// have to invalidate them anyways
+					foreach (Widget c in Widgets)
+						if (c.BackColor.A != 255)
+							c.Invalidate ();
+				}
+			}
+			OnInvalidated(new InvalidateEventArgs(rc));
+		}
+
+		public void Invalidate (Region region)
+		{
+			Invalidate (region, false);
+		}
+
+		public void Invalidate (Region region, bool invalidateChildren)
+		{
+			using (Graphics g = CreateGraphics ()){
+				RectangleF bounds = region.GetBounds (g);
+				Invalidate (new Rectangle ((int) bounds.X, (int) bounds.Y, (int) bounds.Width, (int) bounds.Height), invalidateChildren);
+			}
+		}
+
+		public object Invoke (Delegate method) {
+			object [] prms = null;
+			if (method is EventHandler)
+				prms = new object [] { this, EventArgs.Empty };
+
+			return Invoke(method, prms);
+		}
+		public object Invoke (Delegate method, params object [] args) {
+			Widget Widget = FindWidgetToInvokeOn ();
+
+			if (!this.InvokeRequired) {
+				return method.DynamicInvoke(args);
+			}
+
+			IAsyncResult result = BeginInvokeInternal (method, args, Widget);
+			return EndInvoke(result);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public void PerformLayout() {
+			PerformLayout(null, null);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public void PerformLayout(Widget affectedWidget, string affectedProperty) {
+			LayoutEventArgs levent = new LayoutEventArgs(affectedWidget, affectedProperty);
+
+			foreach (Widget c in Widgets.GetAllWidgets ())
+				if (c.recalculate_distances)
+					c.UpdateDistances ();
+
+			if (layout_suspended > 0) {
+				layout_pending = true;
+				return;
+			}
+
+			layout_pending = false;
+
+			// Prevent us from getting messed up
+			layout_suspended++;
+
+			// Perform all Dock and Anchor calculations
+			try {
+				OnLayout(levent);
+			}
+
+			// Need to make sure we decremend layout_suspended
+			finally {
+				layout_suspended--;
+			}
+		}
+
+		public Point PointToClient (Point p) {
+			int x = p.X;
+			int y = p.Y;
+
+			XplatUI.ScreenToClient (Handle, ref x, ref y);
+
+			return new Point (x, y);
+		}
+
+		public Point PointToScreen(Point p) {
+			int x = p.X;
+			int y = p.Y;
+
+			XplatUI.ClientToScreen(Handle, ref x, ref y);
+
+			return new Point(x, y);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		public PreProcessWidgetstate PreProcessWidgetMessage (ref Message msg)
+		{
+			return PreProcessWidgetMessageInternal (ref msg);
+		}
+
+		internal PreProcessWidgetstate PreProcessWidgetMessageInternal (ref Message msg)
+		{
+			switch ((Msg)msg.Msg) {
+			case Msg.WM_KEYDOWN:
+			case Msg.WM_SYSKEYDOWN:
+				PreviewKeyDownEventArgs e = new PreviewKeyDownEventArgs ((Keys)msg.WParam.ToInt32 () | XplatUI.State.ModifierKeys);
+				OnPreviewKeyDown (e);
+
+				if (e.IsInputKey)
+					return PreProcessWidgetstate.MessageNeeded;
+
+				if (PreProcessMessage (ref msg))
+					return PreProcessWidgetstate.MessageProcessed;
+
+				if (IsInputKey ((Keys)msg.WParam.ToInt32 () | XplatUI.State.ModifierKeys))
+					return PreProcessWidgetstate.MessageNeeded;	
+
+				break;
+			case Msg.WM_CHAR:
+			case Msg.WM_SYSCHAR:
+				if (PreProcessMessage (ref msg))
+					return PreProcessWidgetstate.MessageProcessed;
+
+				if (IsInputChar ((char)msg.WParam))
+					return PreProcessWidgetstate.MessageNeeded;
+
+				break;
+			default:
+				break;
+			}
+
+			return PreProcessWidgetstate.MessageNotNeeded;
+		}
+
+		public virtual bool PreProcessMessage (ref Message msg)
+		{
+			return InternalPreProcessMessage (ref msg);
+		}
+
+		internal virtual bool InternalPreProcessMessage (ref Message msg) {
+			Keys key_data;
+
+			if ((msg.Msg == (int)Msg.WM_KEYDOWN) || (msg.Msg == (int)Msg.WM_SYSKEYDOWN)) {
+				key_data = (Keys)msg.WParam.ToInt32() | XplatUI.State.ModifierKeys;
+
+				if (!ProcessCmdKey(ref msg, key_data)) {
+					if (IsInputKey(key_data)) {
+						return false;
+					}
+
+					return ProcessDialogKey(key_data);
+				}
+
+				return true;
+			} else if (msg.Msg == (int)Msg.WM_CHAR) {
+				if (IsInputChar((char)msg.WParam)) {
+					return false;
+				}
+				return ProcessDialogChar((char)msg.WParam);
+			} else if (msg.Msg == (int)Msg.WM_SYSCHAR) {
+				if (ProcessDialogChar((char)msg.WParam))
+					return true;
+				else
+					return ToolStripManager.ProcessMenuKey (ref msg);
+			}
+			return false;
+		}
+
+		public Rectangle RectangleToClient(Rectangle r) {
+			return new Rectangle(PointToClient(r.Location), r.Size);
+		}
+
+		public Rectangle RectangleToScreen(Rectangle r) {
+			return new Rectangle(PointToScreen(r.Location), r.Size);
+		}
+
+		public virtual void Refresh() {
+			if (IsHandleCreated && Visible) {
+				Invalidate(true);
+				Update ();
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		public virtual void ResetBackColor() {
+			BackColor = Color.Empty;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		public void ResetBindings() {
+			if (data_bindings != null)
+				data_bindings.Clear();
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		public virtual void ResetCursor() {
+			Cursor = null;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		public virtual void ResetFont() {
+			font = null;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		public virtual void ResetForeColor() {
+			foreground_color = Color.Empty;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		public void ResetImeMode() {
+			ime_mode = DefaultImeMode;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Never)]
+		public virtual void ResetRightToLeft() {
+			right_to_left = RightToLeft.Inherit;
+		}
+
+		public virtual void ResetText() {
+			Text = String.Empty;
+		}
+
+		public void ResumeLayout() {
+			ResumeLayout (true);
+		}
+
+		public void ResumeLayout(bool performLayout) {
+			if (layout_suspended > 0) {
+				layout_suspended--;
+			}
+
+			if (layout_suspended == 0) {
+				if (this is ContainerWidget)
+					(this as ContainerWidget).PerformDelayedAutoScale();
+
+				if (!performLayout)
+					foreach (Widget c in Widgets.GetAllWidgets ())
+						c.UpdateDistances ();
+
+				if (performLayout && layout_pending) {
+					PerformLayout();
+				}
+			}
+		}
+		//[EditorBrowsable (EditorBrowsableState.Never)]
+		[Obsolete ()]
+		public void Scale(float ratio) {
+			ScaleCore(ratio, ratio);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Never)]
+		[Obsolete ()]
+		public void Scale(float dx, float dy) {
+			ScaleCore(dx, dy);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		public void Scale (SizeF factor)
+		{
+			BoundsSpecified bounds_spec = BoundsSpecified.All;
+
+			SuspendLayout ();
+
+			if (this is ContainerWidget) {
+				if ((this as ContainerWidget).IsAutoScaling)
+					bounds_spec = BoundsSpecified.Size;
+				else if (IsContainerAutoScaling (this.Parent))
+					bounds_spec = BoundsSpecified.Location;
+			}
+
+			ScaleWidget (factor, bounds_spec);
+
+			// Scale children
+			if ((bounds_spec != BoundsSpecified.Location) && ScaleChildren) {
+				foreach (Widget c in Widgets.GetAllWidgets ()) {
+					c.Scale (factor);
+					if (c is ContainerWidget) {
+						ContainerWidget cc = c as ContainerWidget;
+						if ((cc.AutoScaleMode == AutoScaleMode.Inherit) && IsContainerAutoScaling (this))
+							cc.PerformAutoScale (true);
+					}
+				}
+			}
+
+			ResumeLayout ();
+		}
+
+		internal ContainerWidget FindContainer (Widget c)
+		{
+			while ((c != null) && !(c is ContainerWidget))
+				c = c.Parent;
+			return c as ContainerWidget;
+		}
+
+		private bool IsContainerAutoScaling (Widget c)
+		{
+			ContainerWidget cc = FindContainer (c);
+			return (cc != null) && cc.IsAutoScaling;
+		}
+
+		public void Select() {
+			Select(false, false);	
+		}
+
+		#if DebugFocus
+		private void printTree(Widget c, string t) {
+		foreach(Widget i in c.child_Widgets) {
+		Console.WriteLine ("{2}{0}.TabIndex={1}", i, i.tab_index, t);
+		printTree (i, t+"\t");
+		}
+		}
+		#endif
+		public bool SelectNextWidget(Widget ctl, bool forward, bool tabStopOnly, bool nested, bool wrap) {
+			Widget c;
+
+			#if DebugFocus
+			Console.WriteLine("{0}", this.FindForm());
+			printTree(this, "\t");
+			#endif
+
+			if (!this.Contains(ctl) || (!nested && (ctl.parent != this))) {
+				ctl = null;
+			}
+			c = ctl;
+			do {
+				c = GetNextWidget(c, forward);
+				if (c == null) {
+					if (wrap) {
+						wrap = false;
+						continue;
+					}
+					break;
+				}
+
+				#if DebugFocus
+				Console.WriteLine("{0} {1}", c, c.CanSelect);
+				#endif
+				if (c.CanSelect && ((c.parent == this) || nested) && (c.tab_stop || !tabStopOnly)) {
+					c.Select (true, true);
+					return true;
+				}
+			} while (c != ctl); // If we wrap back to ourselves we stop
+
+			return false;
+		}
+
+		public void SendToBack() {
+			if (parent != null) {
+				parent.child_Widgets.SetChildIndex(this, parent.child_Widgets.Count);
+			}
+		}
+
+		public void SetBounds(int x, int y, int width, int height) {
+			SetBounds(x, y, width, height, BoundsSpecified.All);
+		}
+
+		public void SetBounds(int x, int y, int width, int height, BoundsSpecified specified) {
+			// Fill in the values that were not specified
+			if ((specified & BoundsSpecified.X) == 0)
+				x = Left;
+			if ((specified & BoundsSpecified.Y) == 0)
+				y = Top;
+			if ((specified & BoundsSpecified.Width) == 0)
+				width = Width;
+			if ((specified & BoundsSpecified.Height) == 0)
+				height = Height;
+
+			SetBoundsInternal (x, y, width, height, specified);
+		}
+
+		internal void SetBoundsInternal (int x, int y, int width, int height, BoundsSpecified specified)
+		{
+			// SetBoundsCore is really expensive to call, so we want to avoid it if we can.
+			// We can avoid it if:
+			// - The requested dimensions are the same as our current dimensions
+			// AND
+			// - Any BoundsSpecified is the same as our current explicit_size
+			if (bounds.X != x || (explicit_bounds.X != x && (specified & BoundsSpecified.X) == BoundsSpecified.X))
+				SetBoundsCore (x, y, width, height, specified);
+			else if (bounds.Y != y || (explicit_bounds.Y != y && (specified & BoundsSpecified.Y) == BoundsSpecified.Y))
+				SetBoundsCore (x, y, width, height, specified);
+			else if (bounds.Width != width || (explicit_bounds.Width != width && (specified & BoundsSpecified.Width) == BoundsSpecified.Width))
+				SetBoundsCore (x, y, width, height, specified);
+			else if (bounds.Height != height || (explicit_bounds.Height != height && (specified & BoundsSpecified.Height) == BoundsSpecified.Height))
+				SetBoundsCore (x, y, width, height, specified);
+			else
+				return;
+
+			// If the user explicitly moved or resized us, recalculate our anchor distances
+			if (specified != BoundsSpecified.None)
+				UpdateDistances ();
+
+			if (parent != null)
+				parent.PerformLayout(this, "Bounds");
+		}
+
+		public void Show () {
+			this.Visible = true;
+		}
+
+		public void SuspendLayout() {
+			layout_suspended++;
+		}
+
+		public void Update() {
+			if (IsHandleCreated) {
+				XplatUI.UpdateWindow(window.Handle);
+			}
+		}
+		#endregion	// Public Instance Methods
+
+		#region Protected Instance Methods
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void AccessibilityNotifyClients(AccessibleEvents accEvent, int childID) {
+			// turns out this method causes handle
+			// creation in 1.1.  at first I thought this
+			// would be accomplished just by using
+			// get_AccessibilityObject, which would route
+			// through CreateAccessibilityInstance, which
+			// calls CreateWidget.  This isn't the case,
+			// though (as overriding
+			// CreateAccessibilityInstance and adding a
+			// CWL shows nothing.  So we fudge it and put
+			// a CreateHandle here.
+
+
+			if (accessibility_object != null && accessibility_object is WidgetAccessibleObject)
+				((WidgetAccessibleObject)accessibility_object).NotifyClients (accEvent, childID);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected void AccessibilityNotifyClients (AccessibleEvents accEvent, int objectID, int childID)
+		{
+			if (accessibility_object != null && accessibility_object is WidgetAccessibleObject)
+				((WidgetAccessibleObject)accessibility_object).NotifyClients (accEvent, objectID, childID);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual AccessibleObject CreateAccessibilityInstance() {
+			CreateWidget ();
+			return new Widget.WidgetAccessibleObject(this);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual WidgetCollection CreateWidgetsInstance() {
+			return new WidgetCollection(this);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void CreateHandle() {
+			if (IsDisposed) {
+				throw new ObjectDisposedException(GetType().FullName);
+			}
+
+			if (IsHandleCreated && !is_recreating) {
+				return;
+			}
+
+			CreateParams create_params = CreateParams;
+			window.CreateHandle(create_params);
+
+			if (window.Handle != IntPtr.Zero) {
+				creator_thread = Thread.CurrentThread;
+
+				XplatUI.EnableWindow(window.Handle, is_enabled);
+
+				if (clip_region != null) {
+					XplatUI.SetClipRegion(window.Handle, clip_region);
+				}
+
+				// Set our handle with our parent
+				if ((parent != null) && (parent.IsHandleCreated)) {
+					XplatUI.SetParent(window.Handle, parent.Handle);
+				}
+
+				UpdateStyles();
+				XplatUI.SetAllowDrop (window.Handle, allow_drop);
+
+				// Find out where the window manager placed us
+				if ((CreateParams.Style & (int)WindowStyles.WS_CHILD) != 0) {
+				//	XplatUI.SetBorderStyle(window.Handle, (FormBorderStyle)border_style);
+				}
+
+				Rectangle save_bounds = explicit_bounds;
+				UpdateBounds ();
+				explicit_bounds = save_bounds;
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void DefWndProc(ref Message m) {
+			window.DefWndProc(ref m);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void DestroyHandle() {
+			if (IsHandleCreated) {
+				if (window != null) {
+					window.DestroyHandle();
+				}
+			}
+		}
+
+		protected virtual AccessibleObject GetAccessibilityObjectById (int objectId)
+		{
+			// XXX need to implement this.
+			return null;
+		}
+
+		protected internal AutoSizeMode GetAutoSizeMode () 
+		{
+			return auto_size_mode;
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual Rectangle GetScaledBounds (Rectangle bounds, SizeF factor, BoundsSpecified specified)
+		{
+			// Top level Widgets do not scale location
+			if (!is_toplevel) {
+				if ((specified & BoundsSpecified.X) == BoundsSpecified.X)
+					bounds.X = (int)Math.Round (bounds.X * factor.Width);
+				if ((specified & BoundsSpecified.Y) == BoundsSpecified.Y)
+					bounds.Y = (int)Math.Round (bounds.Y * factor.Height);
+			}
+
+			if ((specified & BoundsSpecified.Width) == BoundsSpecified.Width && !GetStyle (Widgetstyles.FixedWidth)) {
+				int border = (this is ComboBox) ? (ThemeEngine.Current.Border3DSize.Width * 2) :
+					(this.bounds.Width - this.client_size.Width);
+				bounds.Width = (int)Math.Round ((bounds.Width - border) * factor.Width + border);
+			}
+			if ((specified & BoundsSpecified.Height) == BoundsSpecified.Height && !GetStyle (Widgetstyles.FixedHeight)) {
+				int border = (this is ComboBox) ? (ThemeEngine.Current.Border3DSize.Height * 2) :
+					(this.bounds.Height - this.client_size.Height);
+				bounds.Height = (int)Math.Round ((bounds.Height - border) * factor.Height + border);
+			}
+
+			return bounds;
+		}
+
+		private Rectangle GetScaledBoundsOld (Rectangle bounds, SizeF factor, BoundsSpecified specified)
+		{
+			RectangleF new_bounds = new RectangleF(bounds.Location, bounds.Size);
+
+			// Top level Widgets do not scale location
+			if (!is_toplevel) {
+				if ((specified & BoundsSpecified.X) == BoundsSpecified.X)
+					new_bounds.X *= factor.Width;
+				if ((specified & BoundsSpecified.Y) == BoundsSpecified.Y)
+					new_bounds.Y *= factor.Height;
+			}
+
+			if ((specified & BoundsSpecified.Width) == BoundsSpecified.Width && !GetStyle (Widgetstyles.FixedWidth)) {
+				int border = (this is Form) ? (this.bounds.Width - this.client_size.Width) : 0;
+				new_bounds.Width = ((new_bounds.Width - border) * factor.Width + border);
+			}
+			if ((specified & BoundsSpecified.Height) == BoundsSpecified.Height && !GetStyle (Widgetstyles.FixedHeight)) {
+				int border = (this is Form) ? (this.bounds.Height - this.client_size.Height) : 0;
+				new_bounds.Height = ((new_bounds.Height - border) * factor.Height + border);
+			}
+
+			bounds.X = (int)Math.Round (new_bounds.X);
+			bounds.Y = (int)Math.Round (new_bounds.Y);
+			bounds.Width = (int)Math.Round (new_bounds.Right) - bounds.X;
+			bounds.Height = (int)Math.Round (new_bounds.Bottom) - bounds.Y;
+
+			return bounds;
+		}
+
+		protected internal bool GetStyle(Widgetstyles flag) {
+			return (Widget_style & flag) != 0;
+		}
+
+		protected bool GetTopLevel() {
+			return is_toplevel;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void InitLayout() {
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void InvokeGotFocus(Widget toInvoke, EventArgs e) {
+			toInvoke.OnGotFocus(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void InvokeLostFocus(Widget toInvoke, EventArgs e) {
+			toInvoke.OnLostFocus(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void InvokeOnClick(Widget toInvoke, EventArgs e) {
+			toInvoke.OnClick(e);
+		}
+
+		protected void InvokePaint(Widget c, PaintEventArgs e) {
+			c.OnPaint (e);
+		}
+
+		protected void InvokePaintBackground(Widget c, PaintEventArgs e) {
+			c.OnPaintBackground (e);
+		}
+
+		protected virtual bool IsInputChar (char charCode) {
+			// XXX on MS.NET this method causes the handle to be created..
+			if (!IsHandleCreated)
+				CreateHandle ();
+
+			return IsInputCharInternal (charCode);
+		}
+
+		internal virtual bool IsInputCharInternal (char charCode) {
+			return false;
+		}
+
+		protected virtual bool IsInputKey (Keys keyData) {
+			// Doc says this one calls IsInputChar; not sure what to do with that
+			return false;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void NotifyInvalidate(Rectangle invalidatedArea) {
+			// override me?
+		}
+
+		protected virtual bool ProcessCmdKey(ref Message msg, Keys keyData) {
+			if (parent != null) {
+				return parent.ProcessCmdKey(ref msg, keyData);
+			}
+
+			return false;
+		}
+
+		protected virtual bool ProcessDialogChar(char charCode) {
+			if (parent != null) {
+				return parent.ProcessDialogChar (charCode);
+			}
+
+			return false;
+		}
+
+		protected virtual bool ProcessDialogKey (Keys keyData) {
+			if (parent != null) {
+				return parent.ProcessDialogKey (keyData);
+			}
+
+			return false;
+		}
+
+		protected virtual bool ProcessKeyEventArgs (ref Message m)
+		{
+			KeyEventArgs key_event;
+
+			switch (m.Msg) {
+			case (int)Msg.WM_SYSKEYDOWN:
+			case (int)Msg.WM_KEYDOWN: {
+					key_event = new KeyEventArgs (((Keys) m.WParam.ToInt32 ()) | XplatUI.State.ModifierKeys);
+					OnKeyDown (key_event);
+					suppressing_key_press = key_event.SuppressKeyPress;
+					return key_event.Handled;
+				}
+
+			case (int)Msg.WM_SYSKEYUP:
+			case (int)Msg.WM_KEYUP: {
+					key_event = new KeyEventArgs (((Keys) m.WParam.ToInt32 ()) | XplatUI.State.ModifierKeys);
+					OnKeyUp (key_event);
+					return key_event.Handled;
+				}
+
+			case (int)Msg.WM_SYSCHAR:
+			case (int)Msg.WM_CHAR: {
+					if (suppressing_key_press)
+						return true;
+					KeyPressEventArgs key_press_event;
+
+					key_press_event = new KeyPressEventArgs ((char) m.WParam);
+					OnKeyPress(key_press_event);
+					m.WParam = (IntPtr) key_press_event.KeyChar;
+					return key_press_event.Handled;
+				}
+
+			default: {
+					break;
+				}
+			}
+
+			return false;
+		}
+
+		protected internal virtual bool ProcessKeyMessage (ref Message m)
+		{
+			if (parent != null) {
+				if (parent.ProcessKeyPreview (ref m))
+					return true;
+			}
+
+			return ProcessKeyEventArgs (ref m);
+		}
+
+		protected virtual bool ProcessKeyPreview (ref Message m) {
+			if (parent != null)
+				return parent.ProcessKeyPreview(ref m);
+
+			return false;
+		}
+
+		protected virtual bool ProcessMnemonic(char charCode) {
+			// override me
+			return false;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void RaiseDragEvent(object key, DragEventArgs e) {
+			// MS Internal
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void RaiseKeyEvent(object key, KeyEventArgs e) {
+			// MS Internal
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void RaiseMouseEvent(object key, MouseEventArgs e) {
+			// MS Internal
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void RaisePaintEvent(object key, PaintEventArgs e) {
+			// MS Internal
+		}
+
+		private void SetIsRecreating () {
+			is_recreating=true;
+
+			foreach (Widget c in Widgets.GetAllWidgets()) {
+				c.SetIsRecreating ();
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void RecreateHandle() {
+			if (!IsHandleCreated)
+				return;
+
+			#if DebugRecreate
+			Console.WriteLine("Recreating Widget {0}", XplatUI.Window(window.Handle));
+			#endif
+
+			SetIsRecreating ();
+
+			if (IsHandleCreated) {
+				#if DebugRecreate
+				Console.WriteLine(" + handle is created, destroying it.");
+				#endif
+				DestroyHandle();
+				// WM_DESTROY will CreateHandle for us
+			} else {
+				#if DebugRecreate
+				Console.WriteLine(" + handle is not created, creating it.");
+				#endif
+				if (!is_created) {
+					CreateWidget();
+				} else {
+					CreateHandle();
+				}
+
+				is_recreating = false;
+				#if DebugRecreate
+				Console.WriteLine (" + new handle = {0:X}", Handle.ToInt32());
+				#endif
+			}
+
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void ResetMouseEventArgs() {
+			// MS Internal
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected ContentAlignment RtlTranslateAlignment(ContentAlignment align) {
+			if (right_to_left == RightToLeft.No) {
+				return align;
+			}
+
+			switch (align) {
+			case ContentAlignment.TopLeft: {
+					return ContentAlignment.TopRight;
+				}
+
+			case ContentAlignment.TopRight: {
+					return ContentAlignment.TopLeft;
+				}
+
+			case ContentAlignment.MiddleLeft: {
+					return ContentAlignment.MiddleRight;
+				}
+
+			case ContentAlignment.MiddleRight: {
+					return ContentAlignment.MiddleLeft;
+				}
+
+			case ContentAlignment.BottomLeft: {
+					return ContentAlignment.BottomRight;
+				}
+
+			case ContentAlignment.BottomRight: {
+					return ContentAlignment.BottomLeft;
+				}
+
+			default: {
+					// if it's center it doesn't change
+					return align;
+				}
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected HorizontalAlignment RtlTranslateAlignment(HorizontalAlignment align) {
+			if ((right_to_left == RightToLeft.No) || (align == HorizontalAlignment.Center)) {
+				return align;
+			}
+
+			if (align == HorizontalAlignment.Left) {
+				return HorizontalAlignment.Right;
+			}
+
+			// align must be HorizontalAlignment.Right
+			return HorizontalAlignment.Left;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected LeftRightAlignment RtlTranslateAlignment(LeftRightAlignment align) {
+			if (right_to_left == RightToLeft.No) {
+				return align;
+			}
+
+			if (align == LeftRightAlignment.Left) {
+				return LeftRightAlignment.Right;
+			}
+
+			// align must be LeftRightAlignment.Right;
+			return LeftRightAlignment.Left;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected ContentAlignment RtlTranslateContent(ContentAlignment align) {
+			return RtlTranslateAlignment(align);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected HorizontalAlignment RtlTranslateHorizontal(HorizontalAlignment align) {
+			return RtlTranslateAlignment(align);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected LeftRightAlignment RtlTranslateLeftRight(LeftRightAlignment align) {
+			return RtlTranslateAlignment(align);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void ScaleWidget (SizeF factor, BoundsSpecified specified)
+		{
+			Rectangle new_bounds = GetScaledBounds (bounds, factor, specified);
+
+			SetBounds (new_bounds.X, new_bounds.Y, new_bounds.Width, new_bounds.Height, specified);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Never)]
+		protected virtual void ScaleCore (float dx, float dy)
+		{
+			Rectangle new_bounds = GetScaledBoundsOld (bounds, new SizeF (dx, dy), BoundsSpecified.All);
+
+			SuspendLayout ();
+
+			SetBounds (new_bounds.X, new_bounds.Y, new_bounds.Width, new_bounds.Height, BoundsSpecified.All);
+
+			if (ScaleChildrenInternal)
+				foreach (Widget c in Widgets.GetAllWidgets ())
+					c.Scale (dx, dy);
+
+			ResumeLayout ();
+		}
+
+		protected virtual void Select(bool directed, bool forward) {
+			IContainerWidget	container;
+
+			container = GetContainerWidget();
+			if (container != null && (Widget)container != this)
+				container.ActiveWidget = this;
+		}
+
+		protected void SetAutoSizeMode (AutoSizeMode mode)
+		{
+			if (auto_size_mode != mode) {
+				auto_size_mode = mode;
+				PerformLayout (this, "AutoSizeMode");
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) {
+			SetBoundsCoreInternal (x, y, width, height, specified);
+		}
+
+		internal virtual void SetBoundsCoreInternal(int x, int y, int width, int height, BoundsSpecified specified) {
+			// Nasty hack for 2.0 DateTimePicker
+			height = OverrideHeight (height);
+
+			Rectangle old_explicit = explicit_bounds;
+			Rectangle new_bounds = new Rectangle (x, y, width, height);
+
+			// SetBoundsCore updates the Win32 Widget itself. UpdateBounds updates the Widgets variables and fires events, I'm guessing - pdb
+			if (IsHandleCreated) {
+				XplatUI.SetWindowPos(Handle, x, y, width, height);
+
+				// Win32 automatically changes negative width/height to 0.
+				// The Widget has already been sent a WM_WINDOWPOSCHANGED message and it has the correct
+				// data, but it'll be overwritten when we call UpdateBounds unless we get the updated
+				// size.
+				int cw, ch, ix, iy;
+				XplatUI.GetWindowPos(Handle, this is Form, out ix, out iy, out width, out height, out cw, out ch);
+			}
+
+			// BoundsSpecified tells us which variables were programatic (user-set).
+			// We need to store those in the explicit bounds
+			if ((specified & BoundsSpecified.X) == BoundsSpecified.X)
+				explicit_bounds.X = new_bounds.X;
+			else
+				explicit_bounds.X = old_explicit.X;
+
+			if ((specified & BoundsSpecified.Y) == BoundsSpecified.Y)
+				explicit_bounds.Y = new_bounds.Y;
+			else
+				explicit_bounds.Y = old_explicit.Y;
+
+			if ((specified & BoundsSpecified.Width) == BoundsSpecified.Width)
+				explicit_bounds.Width = new_bounds.Width;
+			else
+				explicit_bounds.Width = old_explicit.Width;
+
+			if ((specified & BoundsSpecified.Height) == BoundsSpecified.Height)
+				explicit_bounds.Height = new_bounds.Height;
+			else
+				explicit_bounds.Height = old_explicit.Height;
+
+			// We need to store the explicit bounds because UpdateBounds is always going
+			// to change it, and we have to fix it.  However, UpdateBounds also calls
+			// OnLocationChanged, OnSizeChanged, and OnClientSizeChanged.  The user can
+			// override those or use those events to change the size explicitly, and we 
+			// can't undo those changes.  So if the bounds after calling UpdateBounds are
+			// the same as the ones we sent it, we need to fix the explicit bounds.  If
+			// it's not the same as we sent UpdateBounds, then someone else changed it, and
+			// we better not mess it up.  Fun stuff.
+			Rectangle stored_explicit_bounds = explicit_bounds;
+
+			UpdateBounds(x, y, width, height);
+
+			if (explicit_bounds.X == x)
+				explicit_bounds.X = stored_explicit_bounds.X;
+
+			if (explicit_bounds.Y == y)
+				explicit_bounds.Y = stored_explicit_bounds.Y;
+
+			if (explicit_bounds.Width == width)
+				explicit_bounds.Width = stored_explicit_bounds.Width;
+
+			if (explicit_bounds.Height == height)
+				explicit_bounds.Height = stored_explicit_bounds.Height;
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void SetClientSizeCore(int x, int y) {
+			Size NewSize = InternalSizeFromClientSize (new Size (x, y));
+
+			if (NewSize != Size.Empty)
+				SetBounds (bounds.X, bounds.Y, NewSize.Width, NewSize.Height, BoundsSpecified.Size);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected internal void SetStyle(Widgetstyles flag, bool value) {
+			if (value) {
+				Widget_style |= flag;
+			} else {
+				Widget_style &= ~flag;
+			}
+		}
+
+		protected void SetTopLevel(bool value) {
+			if ((GetTopLevel() != value) && (parent != null)) {
+				throw new ArgumentException ("Cannot change toplevel style of a parented Widget.");
+			}
+
+			if (this is Form) {
+				if (IsHandleCreated && value != Visible) {
+					Visible = value;
+				}
+			} else {
+				// XXX MS.NET causes handle to be created here
+				if (!IsHandleCreated)
+					CreateHandle ();
+			}
+			is_toplevel = value;
+		}
+
+		protected virtual void SetVisibleCore(bool value) {
+			if (value != is_visible) {
+				is_visible = value;
+
+				if (is_visible && ((window.Handle == IntPtr.Zero) || !is_created)) {
+					CreateWidget();
+					if (!(this is Form))
+						UpdateZOrder ();
+				}
+
+				if (IsHandleCreated) {
+					XplatUI.SetVisible (Handle, is_visible, true);
+					if (!is_visible) {
+						if (parent != null && parent.IsHandleCreated) {
+							parent.Invalidate (bounds);
+							parent.Update ();
+						} else {
+							Refresh ();
+						}
+					} else if (is_visible && this is Form) {
+						// If we are Min or Max, we won't get a WM_SHOWWINDOW from SetWindowState,
+						// so we need to manually create our children, and set them visible
+						// (This normally happens in WmShowWindow.)
+						if ((this as Form).WindowState != FormWindowState.Normal)
+							OnVisibleChanged (EventArgs.Empty);
+						else
+							// Explicitly move Toplevel windows to where we want them;
+							// apparently moving unmapped toplevel windows doesn't work
+							XplatUI.SetWindowPos(window.Handle, bounds.X, bounds.Y, bounds.Width, bounds.Height);	
+					} else {
+						// If we are becoming visible, z-order may have changed while
+						// we were invisible, so update our z-order position
+						if (parent != null)
+							parent.UpdateZOrderOfChild (this);
+					}
+
+					if (!(this is Form))
+						OnVisibleChanged (EventArgs.Empty);
+				}
+				else {
+					OnVisibleChanged(EventArgs.Empty);
+				}
+			}
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual Size SizeFromClientSize (Size clientSize) {
+			return InternalSizeFromClientSize (clientSize);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void UpdateBounds() {
+			if (!IsHandleCreated)
+				return;
+
+			int	x;
+			int	y;
+			int	width;
+			int	height;
+			int	client_width;
+			int	client_height;
+
+			XplatUI.GetWindowPos(this.Handle, this is Form, out x, out y, out width, out height, out client_width, out client_height);
+
+			UpdateBounds(x, y, width, height, client_width, client_height);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void UpdateBounds(int x, int y, int width, int height) {
+			CreateParams	cp;
+			Rectangle	rect;
+
+			// Calculate client rectangle
+			rect = new Rectangle(0, 0, 0, 0);
+			cp = CreateParams;
+
+			XplatUI.CalculateWindowRect(ref rect, cp, cp.menu, out rect);
+			UpdateBounds(x, y, width, height, width - (rect.Right - rect.Left), height - (rect.Bottom - rect.Top));
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void UpdateBounds(int x, int y, int width, int height, int clientWidth, int clientHeight) {
+			// UpdateBounds only seems to set our sizes and fire events but not update the GUI window to match
+			bool	moved	= false;
+			bool	resized	= false;
+
+			// Needed to generate required notifications
+			if ((this.bounds.X!=x) || (this.bounds.Y!=y)) {
+				moved=true;
+			}
+
+			if ((this.Bounds.Width!=width) || (this.Bounds.Height!=height)) {
+				resized=true;
+			}
+
+			bounds.X=x;
+			bounds.Y=y;
+			bounds.Width=width;
+			bounds.Height=height;
+
+			// Assume explicit bounds set. SetBoundsCore will restore old bounds
+			// if needed.
+			explicit_bounds = bounds;
+
+			client_size.Width=clientWidth;
+			client_size.Height=clientHeight;
+
+			if (moved) {
+				OnLocationChanged(EventArgs.Empty);
+
+				if (!background_color.IsEmpty && background_color.A < byte.MaxValue)
+					Invalidate ();
+			}
+
+			if (resized) {
+				OnSizeInitializedOrChanged ();
+				OnSizeChanged(EventArgs.Empty);
+				OnClientSizeChanged (EventArgs.Empty);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void UpdateStyles() {
+			if (!IsHandleCreated) {
+				return;
+			}
+            XplatUI.SetWindowStyle(window.Handle, CreateParams);
+			OnStyleChanged(EventArgs.Empty);
+		}
+
+		private void UpdateZOrderOfChild(Widget child) {
+			if (IsHandleCreated && child.IsHandleCreated && (child.parent == this) && Hwnd.ObjectFromHandle(child.Handle).Mapped) {
+				// Need to take into account all Widgets
+				Widget [] all_Widgets = child_Widgets.GetAllWidgets ();
+
+				int index = Array.IndexOf (all_Widgets, child);
+
+				for (; index > 0; index--) {
+					if (!all_Widgets [index - 1].IsHandleCreated || !all_Widgets [index - 1].VisibleInternal || !Hwnd.ObjectFromHandle(all_Widgets [index - 1].Handle).Mapped)
+						continue;
+					break;
+				}
+
+				if (index > 0)	{
+					XplatUI.SetZOrder(child.Handle, all_Widgets [index - 1].Handle, false, false);
+				} else {
+					IntPtr after = AfterTopMostWidget ();
+					if (after != IntPtr.Zero && after != child.Handle)
+						XplatUI.SetZOrder (child.Handle, after, false, false);
+					else
+						XplatUI.SetZOrder (child.Handle, IntPtr.Zero, true, false);
+				}
+			}
+		}
+
+		// Override this if there is a Widget that shall always remain on
+		// top of other Widgets (such as scrollbars). If there are several
+		// of these Widgets, the bottom-most should be returned.
+		internal virtual IntPtr AfterTopMostWidget () {
+			return IntPtr.Zero;
+		}
+
+		// internal because we need to call it from ScrollableWidget.OnVisibleChanged
+		internal void UpdateChildrenZOrder() {
+			Widget [] Widgets;
+
+			if (!IsHandleCreated) {
+				return;
+			}
+
+			// XXX This code is severely broken.  It leaks
+			// the "zero_sized" abstraction out of the X11
+			// backend and into Widget.cs.  It'll work on
+			// windows simply by virtue of windows never
+			// setting that field to true.
+			//
+			// basically what we need to guard against is
+			// calling XplatUI.SetZOrder on an hwnd that
+			// corresponds to an unmapped X window.
+			//
+			// Also, explicitly send implicit Widgets to the back.
+			if (child_Widgets.ImplicitWidgets == null) {
+				Widgets = new Widget [child_Widgets.Count];
+				child_Widgets.CopyTo (Widgets, 0);
+			} else {
+				Widgets = new Widget [child_Widgets.Count + child_Widgets.ImplicitWidgets.Count];
+				child_Widgets.CopyTo (Widgets, 0);
+				child_Widgets.ImplicitWidgets.CopyTo (Widgets, child_Widgets.Count);
+			}
+
+			ArrayList children_to_order = new ArrayList ();
+
+			for (int i = 0; i < Widgets.Length; i ++) {
+				if (!Widgets[i].IsHandleCreated || !Widgets[i].VisibleInternal)
+					continue;
+
+				Hwnd hwnd = Hwnd.ObjectFromHandle (Widgets[i].Handle);
+				if (hwnd == null || hwnd.zero_sized)
+					continue;
+
+				children_to_order.Add (Widgets[i]);
+			}
+
+			for (int i = 1; i < children_to_order.Count; i ++) {
+				Widget upper = (Widget)children_to_order[i-1];
+				Widget lower = (Widget)children_to_order[i];
+
+				XplatUI.SetZOrder(lower.Handle, upper.Handle, false, false);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected void UpdateZOrder() {
+			if (parent != null) {
+				parent.UpdateZOrderOfChild(this);
+			}
+		}
+
+		protected virtual void WndProc(ref Message m) {
+			#if DebugMessages
+			Console.WriteLine("Widget {0} received message {1}", window.Handle == IntPtr.Zero ? this.Text : XplatUI.Window(window.Handle), m.ToString ());
+			#endif
+			if ((this.Widget_style & Widgetstyles.EnableNotifyMessage) != 0) {
+				OnNotifyMessage(m);
+			}
+
+			switch((Msg)m.Msg) {
+			case Msg.WM_DESTROY: {
+					WmDestroy(ref m);
+					return;
+				}
+
+			case Msg.WM_WINDOWPOSCHANGED: {
+					WmWindowPosChanged(ref m);
+					return;
+				}
+
+				// Nice description of what should happen when handling WM_PAINT
+				// can be found here: http://pluralsight.com/wiki/default.aspx/Craig/FlickerFreeWidgetDrawing.html
+				// and here http://msdn.microsoft.com/msdnmag/issues/06/03/WindowsFormsPerformance/
+			case Msg.WM_PAINT: {
+					WmPaint (ref m);
+					return;
+				}
+
+				// The DefWndProc will never have to handle this, we always paint the background in managed code
+				// In theory this code would look at Widgetstyles.AllPaintingInWmPaint and and call OnPaintBackground
+				// here but it just makes things more complicated...
+			case Msg.WM_ERASEBKGND: {
+					WmEraseBackground (ref m);
+					return;
+				}
+
+			case Msg.WM_LBUTTONUP: {
+					WmLButtonUp (ref m);
+					return;
+				}
+
+			case Msg.WM_LBUTTONDOWN: {
+					WmLButtonDown (ref m);
+					return;
+				}
+
+			case Msg.WM_LBUTTONDBLCLK: {
+					WmLButtonDblClick (ref m);
+					return;
+				}
+
+			case Msg.WM_MBUTTONUP: {
+					WmMButtonUp (ref m);
+					return;
+				}
+
+			case Msg.WM_MBUTTONDOWN: {					
+					WmMButtonDown (ref m);
+					return;
+				}
+
+			case Msg.WM_MBUTTONDBLCLK: {
+					WmMButtonDblClick (ref m);
+					return;
+				}
+
+			case Msg.WM_RBUTTONUP: {
+					WmRButtonUp (ref m);
+					return;
+				}
+
+			case Msg.WM_RBUTTONDOWN: {					
+					WmRButtonDown (ref m);
+					return;
+				}
+
+			case Msg.WM_RBUTTONDBLCLK: {
+					WmRButtonDblClick (ref m);
+					return;
+				}
+
+			case Msg.WM_CONTEXTMENU: {
+					WmContextMenu (ref m);
+					return;
+				}
+
+			case Msg.WM_MOUSEWHEEL: {
+					WmMouseWheel (ref m);
+					return;
+				}
+
+			case Msg.WM_MOUSEMOVE: {
+					WmMouseMove (ref m);
+					return;
+				}
+
+			case Msg.WM_SHOWWINDOW: {
+					WmShowWindow (ref m);
+					return;
+				}
+
+			case Msg.WM_CREATE: {
+					WmCreate (ref m);
+					return;
+				}
+
+			case Msg.WM_MOUSE_ENTER: {
+					WmMouseEnter (ref m);
+					return;
+				}
+
+			case Msg.WM_MOUSELEAVE: {
+					WmMouseLeave (ref m);
+					return;
+				}
+
+			case Msg.WM_MOUSEHOVER:	{
+					WmMouseHover (ref m);
+					return;
+				}
+
+			case Msg.WM_SYSKEYUP: {
+					WmSysKeyUp (ref m);
+					return;
+				}
+
+			case Msg.WM_SYSKEYDOWN:
+			case Msg.WM_KEYDOWN:
+			case Msg.WM_KEYUP:
+			case Msg.WM_SYSCHAR:
+			case Msg.WM_CHAR: {
+					WmKeys (ref m);
+					return;
+				}
+
+			case Msg.WM_HELP: {
+					WmHelp (ref m);
+					return;
+				}
+
+			case Msg.WM_KILLFOCUS: {
+					WmKillFocus (ref m);
+					return;
+				}
+
+			case Msg.WM_SETFOCUS: {
+					WmSetFocus (ref m);
+					return;
+				}
+
+			case Msg.WM_SYSCOLORCHANGE: {
+					WmSysColorChange (ref m);
+					return;
+				}
+
+			case Msg.WM_SETCURSOR: {
+					WmSetCursor (ref m);
+					return;
+				}
+
+			case Msg.WM_CAPTURECHANGED: {
+					WmCaptureChanged (ref m);
+					return;
+				}
+
+			case Msg.WM_CHANGEUISTATE: {
+					WmChangeUIState (ref m);
+					return;
+				}
+
+			case Msg.WM_UPDATEUISTATE: {
+					WmUpdateUIState (ref m);
+					return;
+				}
+
+			default:
+				DefWndProc(ref m);
+				return;
+			}
+		}
+
+		#endregion	// Public Instance Methods
+
+		#region WM methods
+
+		private void WmDestroy (ref Message m) {
+			OnHandleDestroyed(EventArgs.Empty);
+			#if DebugRecreate
+			IntPtr handle = window.Handle;
+			#endif
+			window.InvalidateHandle();
+
+			is_created = false;
+			if (is_recreating) {
+				#if DebugRecreate
+				Console.WriteLine ("Creating handle for {0:X}", handle.ToInt32());
+				#endif
+				CreateHandle();
+				#if DebugRecreate
+				Console.WriteLine (" + new handle = {0:X}", Handle.ToInt32());
+				#endif
+				is_recreating = false;
+			}
+
+			if (is_disposing) {
+				is_disposing = false;
+				is_visible = false;
+			}
+		}
+
+		private void WmWindowPosChanged (ref Message m) {
+			if (Visible) {
+				Rectangle save_bounds = explicit_bounds;
+				UpdateBounds();
+				explicit_bounds = save_bounds;
+				if (GetStyle(Widgetstyles.ResizeRedraw)) {
+					Invalidate();
+				}
+			}
+		}
+
+
+		// Nice description of what should happen when handling WM_PAINT
+		// can be found here: http://pluralsight.com/wiki/default.aspx/Craig/FlickerFreeWidgetDrawing.html
+		// and here http://msdn.microsoft.com/msdnmag/issues/06/03/WindowsFormsPerformance/
+		private void WmPaint (ref Message m) {
+			IntPtr handle = Handle;
+
+			PaintEventArgs paint_event = XplatUI.PaintEventStart (ref m, handle, true);
+
+			if (paint_event == null)
+				return;
+
+			DoubleBuffer current_buffer = null;
+			if (UseDoubleBuffering) {
+				current_buffer = GetBackBuffer ();
+				// This optimization doesn't work when the area is invalidated
+				// during a paint operation because finishing the paint operation
+				// clears the invalidated region and then this thing keeps the new
+				// invalidate from working.  To re-enable this, we would need a
+				// mechanism to allow for nested invalidates (see bug #328681)
+				//if (!current_buffer.InvalidRegion.IsVisible (paint_event.ClipRectangle)) {
+				//        // Just blit the previous image
+				//        current_buffer.Blit (paint_event);
+				//        XplatUI.PaintEventEnd (ref m, handle, true);
+				//        return;
+				//}
+				current_buffer.Start (paint_event);
+			}
+			// If using OptimizedDoubleBuffer, ensure the clip region gets set
+			if (GetStyle (Widgetstyles.OptimizedDoubleBuffer))
+				paint_event.Graphics.SetClip (Rectangle.Intersect (paint_event.ClipRectangle, this.ClientRectangle));
+
+			if (!GetStyle(Widgetstyles.Opaque)) {
+				OnPaintBackground (paint_event);
+			}
+
+			// Button-derived Widgets choose to ignore their Opaque style, give them a chance to draw their background anyways
+			OnPaintBackgroundInternal (paint_event);
+
+			OnPaintInternal(paint_event);
+			if (!paint_event.Handled) {
+				OnPaint (paint_event);
+			}
+
+			if (current_buffer != null) {
+				current_buffer.End (paint_event);
+			}
+
+
+			XplatUI.PaintEventEnd (ref m, handle, true);
+		}
+
+		private void WmEraseBackground (ref Message m) {
+			// The DefWndProc will never have to handle this, we always paint the background in managed code
+			// In theory this code would look at Widgetstyles.AllPaintingInWmPaint and and call OnPaintBackground
+			// here but it just makes things more complicated...
+			m.Result = (IntPtr)1;
+		}
+
+		private void WmLButtonUp (ref Message m)
+		{
+			// Menu handle.
+			if (XplatUI.IsEnabled (Handle) && active_tracker != null) {
+				ProcessActiveTracker (ref m);
+				return;
+			}
+
+			MouseEventArgs me;
+
+			me = new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()) | MouseButtons.Left, 
+				mouse_clicks, 
+				LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0);
+
+			HandleClick(mouse_clicks, me);
+			OnMouseUp (me);
+
+			if (InternalCapture) {
+				InternalCapture = false;
+			}
+
+			if (mouse_clicks > 1) {
+				mouse_clicks = 1;
+			}
+		}
+
+		private void WmLButtonDown (ref Message m)
+		{
+			// Menu handle.
+			if (XplatUI.IsEnabled (Handle) && active_tracker != null) {
+				ProcessActiveTracker (ref m);
+				return;
+			}
+
+			ValidationFailed = false;
+			if (CanSelect) {
+				Select (true, true);
+			}
+			if (!ValidationFailed) {
+				InternalCapture = true;
+				OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()), 
+					mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+					0));
+			}
+		}
+
+		private void WmLButtonDblClick (ref Message m) {
+			InternalCapture = true;
+			mouse_clicks++;
+			OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()), 
+				mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0));
+		}
+
+		private void WmMButtonUp (ref Message m) {
+			MouseEventArgs me;
+
+			me = new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()) | MouseButtons.Middle, 
+				mouse_clicks, 
+				LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0);
+
+			HandleClick(mouse_clicks, me);
+			OnMouseUp (me);
+			if (InternalCapture) {
+				InternalCapture = false;
+			}
+			if (mouse_clicks > 1) {
+				mouse_clicks = 1;
+			}
+		}
+
+		private void WmMButtonDown (ref Message m) {
+			InternalCapture = true;
+			OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()), 
+				mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0));
+		}
+
+		private void WmMButtonDblClick (ref Message m) {
+			InternalCapture = true;
+			mouse_clicks++;
+			OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()), 
+				mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0));
+		}
+
+		private void WmRButtonUp (ref Message m)
+		{
+			// Menu handle.
+			if (XplatUI.IsEnabled (Handle) && active_tracker != null) {
+				ProcessActiveTracker (ref m);
+				return;
+			}
+
+			MouseEventArgs	me;
+			Point		pt;
+
+			pt = new Point(LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()));
+			pt = PointToScreen(pt);
+
+			me = new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()) | MouseButtons.Right, 
+				mouse_clicks, 
+				LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0);
+
+			HandleClick(mouse_clicks, me);
+
+			XplatUI.SendMessage(m.HWnd, Msg.WM_CONTEXTMENU, m.HWnd, (IntPtr)(pt.X + (pt.Y << 16)));
+			OnMouseUp (me);
+
+			if (InternalCapture) {
+				InternalCapture = false;
+			}
+
+			if (mouse_clicks > 1) {
+				mouse_clicks = 1;
+			}
+		}
+
+		private void WmRButtonDown (ref Message m)
+		{
+			// Menu handle.
+			if (XplatUI.IsEnabled (Handle) && active_tracker != null) {
+				ProcessActiveTracker (ref m);
+				return;
+			}
+
+			InternalCapture = true;
+			OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()), 
+				mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0));
+		}
+
+		private void WmRButtonDblClick (ref Message m) {
+			InternalCapture = true;
+			mouse_clicks++;
+			OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()), 
+				mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0));
+		}
+
+		private void WmContextMenu (ref Message m) {
+			// If there isn't a regular context menu, show the Strip version
+			if (context_menu_strip != null) {
+				Point pt;
+
+				pt = new Point (LowOrder ((int)m.LParam.ToInt32 ()), HighOrder ((int)m.LParam.ToInt32 ()));
+
+				if (pt.X == -1 || pt.Y == -1) { 
+					pt.X = (this.Width / 2) + this.Left; 
+					pt.Y = (this.Height /2) + this.Top; 
+					pt = this.PointToScreen (pt);
+				}
+
+				context_menu_strip.SetSourceWidget (this);
+				context_menu_strip.Show (this, PointToClient (pt));
+				return;
+			}
+			DefWndProc(ref m);
+		}
+
+		private void WmCreate (ref Message m) {
+			OnHandleCreated(EventArgs.Empty);
+		}
+
+		private void WmMouseWheel (ref Message m) {
+			DefWndProc(ref m);
+			OnMouseWheel (new MouseEventArgs (FromParamToMouseButtons ((long) m.WParam), 
+				mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				HighOrder((long)m.WParam)));
+		}
+
+
+		private void WmMouseMove (ref Message m) {
+			if (XplatUI.IsEnabled (Handle) && active_tracker != null) {
+				MouseEventArgs args = new MouseEventArgs (
+					FromParamToMouseButtons ((int)m.WParam.ToInt32 ()),
+					mouse_clicks,
+					Widget.MousePosition.X,
+					Widget.MousePosition.Y,
+					0);
+
+				active_tracker.OnMotion (args);
+				return;
+			}
+
+			OnMouseMove  (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()), 
+				mouse_clicks, 
+				LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()), 
+				0));
+		}
+
+		private void WmMouseEnter (ref Message m) {
+			if (is_entered) {
+				return;
+			}
+			is_entered = true;
+			OnMouseEnter(EventArgs.Empty);
+		}
+
+		private void WmMouseLeave (ref Message m) {
+			is_entered=false;
+			OnMouseLeave(EventArgs.Empty);
+		}
+
+		private void WmMouseHover (ref Message m) {
+			OnMouseHover(EventArgs.Empty);
+		}
+
+		private void WmShowWindow (ref Message m) {
+			if (IsDisposed)
+				return;
+
+			Form frm = this as Form;
+			if (m.WParam.ToInt32() != 0) {
+				if (m.LParam.ToInt32 () == 0) {
+					CreateWidget ();
+
+					// Make sure all our children are properly parented to us
+					Widget [] Widgets = child_Widgets.GetAllWidgets ();
+					//					bool parented = false;
+					for (int i=0; i<Widgets.Length; i++) {
+						if (Widgets [i].is_visible && Widgets[i].IsHandleCreated)
+						if (XplatUI.GetParent (Widgets[i].Handle) != window.Handle) {
+							XplatUI.SetParent(Widgets[i].Handle, window.Handle);
+							//								parented = true;
+						}
+
+					}
+
+					//if (parented)
+					UpdateChildrenZOrder ();
+				}
+			} else {
+				if (parent != null && Focused) {
+					Widget	container;
+					// Need to start at parent, GetContainerWidget might return ourselves if we're a container
+					container = (Widget)parent.GetContainerWidget();
+					if (container != null && (frm == null || !frm.IsMdiChild)) {
+						container.SelectNextWidget(this, true, true, true, true);
+					}
+				}
+			}
+
+			if (frm != null)
+				frm.waiting_showwindow = false;
+
+			// If the form is Max/Min, it got its OnVisibleChanged in SetVisibleCore
+			if (frm != null) {
+				if (!IsRecreating && (frm.IsMdiChild || frm.WindowState == FormWindowState.Normal)) /* XXX make sure this works for mdi forms */
+					OnVisibleChanged(EventArgs.Empty);
+			} else if (is_toplevel)
+				OnVisibleChanged(EventArgs.Empty);
+		}
+
+		private void WmSysKeyUp (ref Message m) {
+			if (ProcessKeyMessage(ref m)) {
+				m.Result = IntPtr.Zero;
+				return;
+			}
+
+			if ((m.WParam.ToInt32() & (int)Keys.KeyCode) == (int)Keys.Menu) {
+				Form	form;
+
+				form = FindForm();
+				if (form != null && form.ActiveMenu != null) {
+					form.ActiveMenu.ProcessCmdKey(ref m, (Keys)m.WParam.ToInt32());
+				}
+				else
+					if (ToolStripManager.ProcessMenuKey (ref m))
+						return;
+			}
+
+			DefWndProc (ref m);
+		}
+
+		private void WmKeys (ref Message m)
+		{
+			if (ProcessKeyMessage(ref m)) {
+				m.Result = IntPtr.Zero;
+				return;
+			}
+			DefWndProc (ref m);
+		}
+
+		private void WmHelp (ref Message m) {
+			Point	mouse_pos;
+			if (m.LParam != IntPtr.Zero) {
+				HELPINFO	hi;
+
+				hi = new HELPINFO();
+
+				hi = (HELPINFO) Marshal.PtrToStructure (m.LParam, typeof (HELPINFO));
+				mouse_pos = new Point(hi.MousePos.x, hi.MousePos.y);
+			} else {
+				mouse_pos = Widget.MousePosition;
+			}
+			OnHelpRequested(new HelpEventArgs(mouse_pos));
+			m.Result = (IntPtr)1;
+		}
+
+		private void WmKillFocus (ref Message m) {
+			this.has_focus = false;
+			OnLostFocus (EventArgs.Empty);
+		}
+
+		private void WmSetFocus (ref Message m) {
+			if (!has_focus) {
+				this.has_focus = true;
+				OnGotFocus (EventArgs.Empty);
+			}
+		}
+
+		private void WmSysColorChange (ref Message m) {
+			ThemeEngine.Current.ResetDefaults();
+			OnSystemColorsChanged(EventArgs.Empty);
+		}
+
+		private void WmSetCursor (ref Message m) {
+			if ((cursor == null && use_wait_cursor == false) || ((HitTest)(m.LParam.ToInt32() & 0xffff) != HitTest.HTCLIENT)) {
+				DefWndProc(ref m);
+				return;
+			}
+
+			XplatUI.SetCursor(window.Handle, Cursor.handle);
+			m.Result = (IntPtr)1;
+		}
+
+		private void WmCaptureChanged (ref Message m) {
+			is_captured = false;
+			OnMouseCaptureChanged (EventArgs.Empty);
+			m.Result = (IntPtr) 0;
+		}
+
+		private void WmChangeUIState (ref Message m) {
+			foreach (Widget Widget in Widgets) {
+				XplatUI.SendMessage (Widget.Handle, Msg.WM_UPDATEUISTATE, m.WParam, m.LParam);
+			}
+		}
+
+		private void WmUpdateUIState (ref Message m) {
+			int action = LowOrder (m.WParam.ToInt32 ());
+			int element = HighOrder (m.WParam.ToInt32 ());
+
+			if (action == (int) MsgUIState.UIS_INITIALIZE)
+				return;
+
+			UICues cues = UICues.None;
+
+			if ((element & (int) MsgUIState.UISF_HIDEACCEL) != 0) {
+				if ((action == (int) MsgUIState.UIS_CLEAR) != show_keyboard_cues) {
+					cues |= UICues.ChangeKeyboard;
+					show_keyboard_cues = (action == (int) MsgUIState.UIS_CLEAR);
+				}
+			}
+
+			if ((element & (int) MsgUIState.UISF_HIDEFOCUS) != 0) {
+				if ((action == (int) MsgUIState.UIS_CLEAR) != show_focus_cues) {
+					cues |= UICues.ChangeFocus;
+					show_focus_cues = (action == (int) MsgUIState.UIS_CLEAR);
+				}
+			}
+
+			if ((cues & UICues.Changed) != UICues.None) {
+				OnChangeUICues (new UICuesEventArgs (cues));
+				Invalidate ();
+			}
+		}
+
+		#endregion
+
+		#region OnXXX methods
+		protected virtual void OnAutoSizeChanged (EventArgs e)
+		{
+			EventHandler eh = (EventHandler)(Events[AutoSizeChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnBackColorChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [BackColorChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+			for (int i=0; i<child_Widgets.Count; i++) child_Widgets[i].OnParentBackColorChanged(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnBackgroundImageChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [BackgroundImageChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+			for (int i=0; i<child_Widgets.Count; i++) child_Widgets[i].OnParentBackgroundImageChanged(e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnBackgroundImageLayoutChanged (EventArgs e)
+		{
+			EventHandler eh = (EventHandler)(Events[BackgroundImageLayoutChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnBindingContextChanged(EventArgs e) {
+			CheckDataBindings ();
+			EventHandler eh = (EventHandler)(Events [BindingContextChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+			for (int i=0; i<child_Widgets.Count; i++) child_Widgets[i].OnParentBindingContextChanged(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnCausesValidationChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [CausesValidationChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnChangeUICues(UICuesEventArgs e) {
+			UICuesEventHandler eh = (UICuesEventHandler)(Events [ChangeUICuesEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnClick(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [ClickEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnClientSizeChanged (EventArgs e)
+		{
+			EventHandler eh = (EventHandler)(Events[ClientSizeChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnContextMenuChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [ContextMenuChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnContextMenuStripChanged (EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [ContextMenuStripChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnWidgetAdded(WidgetEventArgs e) {
+			WidgetEventHandler eh = (WidgetEventHandler)(Events [WidgetAddedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnWidgetRemoved(WidgetEventArgs e) {
+			WidgetEventHandler eh = (WidgetEventHandler)(Events [WidgetRemovedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnCreateWidget() {
+			// Override me!
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnCursorChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [CursorChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+
+			for (int i = 0; i < child_Widgets.Count; i++) child_Widgets[i].OnParentCursorChanged (e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnDockChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [DockChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnDoubleClick(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [DoubleClickEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnDragDrop(DragEventArgs drgevent) {
+			DragEventHandler eh = (DragEventHandler)(Events [DragDropEvent]);
+			if (eh != null)
+				eh (this, drgevent);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnDragEnter(DragEventArgs drgevent) {
+			DragEventHandler eh = (DragEventHandler)(Events [DragEnterEvent]);
+			if (eh != null)
+				eh (this, drgevent);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnDragLeave(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [DragLeaveEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnDragOver(DragEventArgs drgevent) {
+			DragEventHandler eh = (DragEventHandler)(Events [DragOverEvent]);
+			if (eh != null)
+				eh (this, drgevent);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnEnabledChanged(EventArgs e) {
+			if (IsHandleCreated) {
+				if (this is Form) {
+					if (((Form)this).context == null) {
+						XplatUI.EnableWindow(window.Handle, Enabled);
+					}
+				} else {
+					XplatUI.EnableWindow(window.Handle, Enabled);
+				}
+				Refresh();
+			}
+
+			EventHandler eh = (EventHandler)(Events [EnabledChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+
+			foreach (Widget c in Widgets.GetAllWidgets ())
+				c.OnParentEnabledChanged (e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnEnter(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [EnterEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnFontChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [FontChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+			for (int i=0; i<child_Widgets.Count; i++) child_Widgets[i].OnParentFontChanged(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnForeColorChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [ForeColorChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+			for (int i=0; i<child_Widgets.Count; i++) child_Widgets[i].OnParentForeColorChanged(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnGiveFeedback(GiveFeedbackEventArgs gfbevent) {
+			GiveFeedbackEventHandler eh = (GiveFeedbackEventHandler)(Events [GiveFeedbackEvent]);
+			if (eh != null)
+				eh (this, gfbevent);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnGotFocus(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [GotFocusEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnHandleCreated(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [HandleCreatedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnHandleDestroyed(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [HandleDestroyedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		internal void RaiseHelpRequested (HelpEventArgs hevent) {
+			OnHelpRequested (hevent);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnHelpRequested(HelpEventArgs hevent) {
+			HelpEventHandler eh = (HelpEventHandler)(Events [HelpRequestedEvent]);
+			if (eh != null)
+				eh (this, hevent);
+		}
+
+		protected virtual void OnImeModeChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [ImeModeChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnInvalidated(InvalidateEventArgs e) {
+			if (UseDoubleBuffering) {
+				// should this block be here?  seems like it
+				// would be more at home in
+				// NotifyInvalidated..
+				if (e.InvalidRect == ClientRectangle) {
+					InvalidateBackBuffer ();
+				} else if (backbuffer != null){
+					// we need this Inflate call here so
+					// that the border of the rectangle is
+					// considered Visible (the
+					// invalid_region.IsVisible call) in
+					// the WM_PAINT handling below.
+					Rectangle r = Rectangle.Inflate(e.InvalidRect, 1,1);
+					backbuffer.InvalidRegion.Union (r);
+				}
+			}
+
+			InvalidateEventHandler eh = (InvalidateEventHandler)(Events [InvalidatedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnKeyDown(KeyEventArgs e) {
+			KeyEventHandler eh = (KeyEventHandler)(Events [KeyDownEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnKeyPress(KeyPressEventArgs e) {
+			KeyPressEventHandler eh = (KeyPressEventHandler)(Events [KeyPressEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnKeyUp(KeyEventArgs e) {
+			KeyEventHandler eh = (KeyEventHandler)(Events [KeyUpEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnLayout(LayoutEventArgs levent) {
+			LayoutEventHandler eh = (LayoutEventHandler)(Events [LayoutEvent]);
+			if (eh != null)
+				eh (this, levent);
+
+			Size s = Size;
+
+			// If our layout changed our PreferredSize, our parent
+			// needs to re-lay us out.  However, it's not always possible to
+			// be our preferred size, so only try once so we don't loop forever.
+			if (Parent != null && AutoSize && !nested_layout && PreferredSize != s) {
+				nested_layout = true;
+				Parent.PerformLayout ();
+				nested_layout = false;
+			}
+
+			LayoutEngine.Layout (this, levent);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnLeave(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [LeaveEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnLocationChanged(EventArgs e) {
+			OnMove(e);
+			EventHandler eh = (EventHandler)(Events [LocationChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnLostFocus(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [LostFocusEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		protected virtual void OnMarginChanged (EventArgs e)
+		{
+			EventHandler eh = (EventHandler)(Events[MarginChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseCaptureChanged (EventArgs e)
+		{
+			EventHandler eh = (EventHandler)(Events [MouseCaptureChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseClick (MouseEventArgs e)
+		{
+			MouseEventHandler eh = (MouseEventHandler)(Events [MouseClickEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseDoubleClick (MouseEventArgs e)
+		{
+			MouseEventHandler eh = (MouseEventHandler)(Events [MouseDoubleClickEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseDown(MouseEventArgs e) {
+			MouseEventHandler eh = (MouseEventHandler)(Events [MouseDownEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseEnter(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [MouseEnterEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseHover(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [MouseHoverEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseLeave(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [MouseLeaveEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseMove(MouseEventArgs e) {
+			MouseEventHandler eh = (MouseEventHandler)(Events [MouseMoveEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseUp(MouseEventArgs e) {
+			MouseEventHandler eh = (MouseEventHandler)(Events [MouseUpEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMouseWheel(MouseEventArgs e) {
+			MouseEventHandler eh = (MouseEventHandler)(Events [MouseWheelEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnMove(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [MoveEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnNotifyMessage(Message m) {
+			// Override me!
+		}
+
+		protected virtual void OnPaddingChanged (EventArgs e) {
+			EventHandler eh = (EventHandler) (Events [PaddingChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnPaint(PaintEventArgs e) {
+			PaintEventHandler eh = (PaintEventHandler)(Events [PaintEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		internal virtual void OnPaintBackgroundInternal(PaintEventArgs e) {
+			// Override me
+		}
+
+		internal virtual void OnPaintInternal(PaintEventArgs e) {
+			// Override me
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnPaintBackground(PaintEventArgs pevent) {
+			PaintWidgetBackground (pevent);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentBackColorChanged(EventArgs e) {
+			if (background_color.IsEmpty && background_image==null) {
+				Invalidate();
+				OnBackColorChanged(e);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentBackgroundImageChanged(EventArgs e) {
+			Invalidate();
+			OnBackgroundImageChanged(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentBindingContextChanged(EventArgs e) {
+			if (binding_context==null && Parent != null) {
+				binding_context=Parent.binding_context;
+				OnBindingContextChanged(e);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [ParentChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnParentCursorChanged (EventArgs e)
+		{
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnParentEnabledChanged(EventArgs e) {
+			if (is_enabled) {
+				OnEnabledChanged(e);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentFontChanged(EventArgs e) {
+			if (font==null) {
+				Invalidate();
+				OnFontChanged(e);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentForeColorChanged(EventArgs e) {
+			if (foreground_color.IsEmpty) {
+				Invalidate();
+				OnForeColorChanged(e);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentRightToLeftChanged(EventArgs e) {
+			if (right_to_left==RightToLeft.Inherit) {
+				Invalidate();
+				OnRightToLeftChanged(e);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnParentVisibleChanged(EventArgs e) {
+			if (is_visible) {
+				OnVisibleChanged(e);
+			}
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnQueryContinueDrag (QueryContinueDragEventArgs qcdevent)
+		{
+			QueryContinueDragEventHandler eh = (QueryContinueDragEventHandler)(Events [QueryContinueDragEvent]);
+			if (eh != null)
+				eh (this, qcdevent);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnPreviewKeyDown (PreviewKeyDownEventArgs e)
+		{
+			PreviewKeyDownEventHandler eh = (PreviewKeyDownEventHandler)(Events[PreviewKeyDownEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnPrint (PaintEventArgs e)
+		{
+			PaintEventHandler eh = (PaintEventHandler)(Events[PaintEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		protected virtual void OnRegionChanged (EventArgs e)
+		{
+			EventHandler eh = (EventHandler)(Events[RegionChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnResize(EventArgs e) {
+			OnResizeInternal (e);
+		}
+
+		internal virtual void OnResizeInternal (EventArgs e) {
+			PerformLayout(this, "Bounds");
+
+			EventHandler eh = (EventHandler)(Events [ResizeEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnRightToLeftChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [RightToLeftChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+			for (int i=0; i<child_Widgets.Count; i++) child_Widgets[i].OnParentRightToLeftChanged(e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnSizeChanged(EventArgs e) {
+			DisposeBackBuffer ();
+			OnResize(e);
+			EventHandler eh = (EventHandler)(Events [SizeChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnStyleChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [StyleChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnSystemColorsChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [SystemColorsChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnTabIndexChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [TabIndexChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnTabStopChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [TabStopChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnTextChanged(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [TextChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnValidated(EventArgs e) {
+			EventHandler eh = (EventHandler)(Events [ValidatedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnValidating(System.ComponentModel.CancelEventArgs e) {
+			CancelEventHandler eh = (CancelEventHandler)(Events [ValidatingEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		protected virtual void OnVisibleChanged(EventArgs e) {
+			if (Visible)
+				CreateWidget ();
+
+			EventHandler eh = (EventHandler)(Events [VisibleChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+
+			// We need to tell our kids (including implicit ones)
+			foreach (Widget c in Widgets.GetAllWidgets ())
+				if (c.Visible)
+					c.OnParentVisibleChanged (e);
+		}
+		#endregion	// OnXXX methods
+
+		#region Events
+		static object AutoSizeChangedEvent = new object ();
+		static object BackColorChangedEvent = new object ();
+		static object BackgroundImageChangedEvent = new object ();
+		static object BackgroundImageLayoutChangedEvent = new object ();
+		static object BindingContextChangedEvent = new object ();
+		static object CausesValidationChangedEvent = new object ();
+		static object ChangeUICuesEvent = new object ();
+		static object ClickEvent = new object ();
+		static object ClientSizeChangedEvent = new object ();
+		static object ContextMenuChangedEvent = new object ();
+		static object ContextMenuStripChangedEvent = new object ();
+		static object WidgetAddedEvent = new object ();
+		static object WidgetRemovedEvent = new object ();
+		static object CursorChangedEvent = new object ();
+		static object DockChangedEvent = new object ();
+		static object DoubleClickEvent = new object ();
+		static object DragDropEvent = new object ();
+		static object DragEnterEvent = new object ();
+		static object DragLeaveEvent = new object ();
+		static object DragOverEvent = new object ();
+		static object EnabledChangedEvent = new object ();
+		static object EnterEvent = new object ();
+		static object FontChangedEvent = new object ();
+		static object ForeColorChangedEvent = new object ();
+		static object GiveFeedbackEvent = new object ();
+		static object GotFocusEvent = new object ();
+		static object HandleCreatedEvent = new object ();
+		static object HandleDestroyedEvent = new object ();
+		static object HelpRequestedEvent = new object ();
+		static object ImeModeChangedEvent = new object ();
+		static object InvalidatedEvent = new object ();
+		static object KeyDownEvent = new object ();
+		static object KeyPressEvent = new object ();
+		static object KeyUpEvent = new object ();
+		static object LayoutEvent = new object ();
+		static object LeaveEvent = new object ();
+		static object LocationChangedEvent = new object ();
+		static object LostFocusEvent = new object ();
+		static object MarginChangedEvent = new object ();
+		static object MouseCaptureChangedEvent = new object ();
+		static object MouseClickEvent = new object ();
+		static object MouseDoubleClickEvent = new object ();
+		static object MouseDownEvent = new object ();
+		static object MouseEnterEvent = new object ();
+		static object MouseHoverEvent = new object ();
+		static object MouseLeaveEvent = new object ();
+		static object MouseMoveEvent = new object ();
+		static object MouseUpEvent = new object ();
+		static object MouseWheelEvent = new object ();
+		static object MoveEvent = new object ();
+		static object PaddingChangedEvent = new object ();
+		static object PaintEvent = new object ();
+		static object ParentChangedEvent = new object ();
+		static object PreviewKeyDownEvent = new object ();
+		static object QueryAccessibilityHelpEvent = new object ();
+		static object QueryContinueDragEvent = new object ();
+		static object RegionChangedEvent = new object ();
+		static object ResizeEvent = new object ();
+		static object RightToLeftChangedEvent = new object ();
+		static object SizeChangedEvent = new object ();
+		static object StyleChangedEvent = new object ();
+		static object SystemColorsChangedEvent = new object ();
+		static object TabIndexChangedEvent = new object ();
+		static object TabStopChangedEvent = new object ();
+		static object TextChangedEvent = new object ();
+		static object ValidatedEvent = new object ();
+		static object ValidatingEvent = new object ();
+		static object VisibleChangedEvent = new object ();
+
+		[Browsable (false)]
+		//[EditorBrowsable (EditorBrowsableState.Never)]
+		public event EventHandler AutoSizeChanged {
+			add { Events.AddHandler (AutoSizeChangedEvent, value);}
+			remove {Events.RemoveHandler (AutoSizeChangedEvent, value);}
+		}
+		public event EventHandler BackColorChanged {
+			add { Events.AddHandler (BackColorChangedEvent, value); }
+			remove { Events.RemoveHandler (BackColorChangedEvent, value); }
+		}
+
+		public event EventHandler BackgroundImageChanged {
+			add { Events.AddHandler (BackgroundImageChangedEvent, value); }
+			remove { Events.RemoveHandler (BackgroundImageChangedEvent, value); }
+		}
+
+		public event EventHandler BackgroundImageLayoutChanged {
+			add {Events.AddHandler (BackgroundImageLayoutChangedEvent, value);}
+			remove {Events.RemoveHandler (BackgroundImageLayoutChangedEvent, value);}
+		}
+
+		public event EventHandler BindingContextChanged {
+			add { Events.AddHandler (BindingContextChangedEvent, value); }
+			remove { Events.RemoveHandler (BindingContextChangedEvent, value); }
+		}
+
+		public event EventHandler CausesValidationChanged {
+			add { Events.AddHandler (CausesValidationChangedEvent, value); }
+			remove { Events.RemoveHandler (CausesValidationChangedEvent, value); }
+		}
+
+		public event UICuesEventHandler ChangeUICues {
+			add { Events.AddHandler (ChangeUICuesEvent, value); }
+			remove { Events.RemoveHandler (ChangeUICuesEvent, value); }
+		}
+
+		public event EventHandler Click {
+			add { Events.AddHandler (ClickEvent, value); }
+			remove { Events.RemoveHandler (ClickEvent, value); }
+		}
+
+		public event EventHandler ClientSizeChanged {
+			add {Events.AddHandler (ClientSizeChangedEvent, value);}
+			remove {Events.RemoveHandler (ClientSizeChangedEvent, value);}
+		}
+
+		[Browsable (false)]
+		public event EventHandler ContextMenuChanged {
+			add { Events.AddHandler (ContextMenuChangedEvent, value); }
+			remove { Events.RemoveHandler (ContextMenuChangedEvent, value); }
+		}
+
+		public event EventHandler ContextMenuStripChanged {
+			add { Events.AddHandler (ContextMenuStripChangedEvent, value); }
+			remove { Events.RemoveHandler (ContextMenuStripChangedEvent, value);}
+		}
+
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(true)]
+		public event WidgetEventHandler WidgetAdded {
+			add { Events.AddHandler (WidgetAddedEvent, value); }
+			remove { Events.RemoveHandler (WidgetAddedEvent, value); }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(true)]
+		public event WidgetEventHandler WidgetRemoved {
+			add { Events.AddHandler (WidgetRemovedEvent, value); }
+			remove { Events.RemoveHandler (WidgetRemovedEvent, value); }
+		}
+
+		[MWFDescription("Fired when the cursor for the Widget has been changed"), MWFCategory("PropertyChanged")]
+		public event EventHandler CursorChanged {
+			add { Events.AddHandler (CursorChangedEvent, value); }
+			remove { Events.RemoveHandler (CursorChangedEvent, value); }
+		}
+		public event EventHandler DockChanged {
+			add { Events.AddHandler (DockChangedEvent, value); }
+			remove { Events.RemoveHandler (DockChangedEvent, value); }
+		}
+
+		public event EventHandler DoubleClick {
+			add { Events.AddHandler (DoubleClickEvent, value); }
+			remove { Events.RemoveHandler (DoubleClickEvent, value); }
+		}
+
+		public event DragEventHandler DragDrop {
+			add { Events.AddHandler (DragDropEvent, value); }
+			remove { Events.RemoveHandler (DragDropEvent, value); }
+		}
+
+		public event DragEventHandler DragEnter {
+			add { Events.AddHandler (DragEnterEvent, value); }
+			remove { Events.RemoveHandler (DragEnterEvent, value); }
+		}
+
+		public event EventHandler DragLeave {
+			add { Events.AddHandler (DragLeaveEvent, value); }
+			remove { Events.RemoveHandler (DragLeaveEvent, value); }
+		}
+
+		public event DragEventHandler DragOver {
+			add { Events.AddHandler (DragOverEvent, value); }
+			remove { Events.RemoveHandler (DragOverEvent, value); }
+		}
+
+		public event EventHandler EnabledChanged {
+			add { Events.AddHandler (EnabledChangedEvent, value); }
+			remove { Events.RemoveHandler (EnabledChangedEvent, value); }
+		}
+
+		public event EventHandler Enter {
+			add { Events.AddHandler (EnterEvent, value); }
+			remove { Events.RemoveHandler (EnterEvent, value); }
+		}
+
+		public event EventHandler FontChanged {
+			add { Events.AddHandler (FontChangedEvent, value); }
+			remove { Events.RemoveHandler (FontChangedEvent, value); }
+		}
+
+		public event EventHandler ForeColorChanged {
+			add { Events.AddHandler (ForeColorChangedEvent, value); }
+			remove { Events.RemoveHandler (ForeColorChangedEvent, value); }
+		}
+
+		public event GiveFeedbackEventHandler GiveFeedback {
+			add { Events.AddHandler (GiveFeedbackEvent, value); }
+			remove { Events.RemoveHandler (GiveFeedbackEvent, value); }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		public event EventHandler GotFocus {
+			add { Events.AddHandler (GotFocusEvent, value); }
+			remove { Events.RemoveHandler (GotFocusEvent, value); }
+		}
+
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		public event EventHandler HandleCreated {
+			add { Events.AddHandler (HandleCreatedEvent, value); }
+			remove { Events.RemoveHandler (HandleCreatedEvent, value); }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		public event EventHandler HandleDestroyed {
+			add { Events.AddHandler (HandleDestroyedEvent, value); }
+			remove { Events.RemoveHandler (HandleDestroyedEvent, value); }
+		}
+
+		public event HelpEventHandler HelpRequested {
+			add { Events.AddHandler (HelpRequestedEvent, value); }
+			remove { Events.RemoveHandler (HelpRequestedEvent, value); }
+		}
+
+		public event EventHandler ImeModeChanged {
+			add { Events.AddHandler (ImeModeChangedEvent, value); }
+			remove { Events.RemoveHandler (ImeModeChangedEvent, value); }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		public event InvalidateEventHandler Invalidated {
+			add { Events.AddHandler (InvalidatedEvent, value); }
+			remove { Events.RemoveHandler (InvalidatedEvent, value); }
+		}
+
+		public event KeyEventHandler KeyDown {
+			add { Events.AddHandler (KeyDownEvent, value); }
+			remove { Events.RemoveHandler (KeyDownEvent, value); }
+		}
+
+		public event KeyPressEventHandler KeyPress {
+			add { Events.AddHandler (KeyPressEvent, value); }
+			remove { Events.RemoveHandler (KeyPressEvent, value); }
+		}
+
+		public event KeyEventHandler KeyUp {
+			add { Events.AddHandler (KeyUpEvent, value); }
+			remove { Events.RemoveHandler (KeyUpEvent, value); }
+		}
+
+		public event LayoutEventHandler Layout {
+			add { Events.AddHandler (LayoutEvent, value); }
+			remove { Events.RemoveHandler (LayoutEvent, value); }
+		}
+
+		public event EventHandler Leave {
+			add { Events.AddHandler (LeaveEvent, value); }
+			remove { Events.RemoveHandler (LeaveEvent, value); }
+		}
+
+		public event EventHandler LocationChanged {
+			add { Events.AddHandler (LocationChangedEvent, value); }
+			remove { Events.RemoveHandler (LocationChangedEvent, value); }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		public event EventHandler LostFocus {
+			add { Events.AddHandler (LostFocusEvent, value); }
+			remove { Events.RemoveHandler (LostFocusEvent, value); }
+		}
+
+		public event EventHandler MarginChanged {
+			add { Events.AddHandler (MarginChangedEvent, value); }
+			remove {Events.RemoveHandler (MarginChangedEvent, value); }
+		}
+
+		public event EventHandler MouseCaptureChanged {
+			add { Events.AddHandler (MouseCaptureChangedEvent, value); }
+			remove { Events.RemoveHandler (MouseCaptureChangedEvent, value); }
+		}
+		public event MouseEventHandler MouseClick
+		{
+			add { Events.AddHandler (MouseClickEvent, value); }
+			remove { Events.RemoveHandler (MouseClickEvent, value); }
+		}
+		public event MouseEventHandler MouseDoubleClick
+		{
+			add { Events.AddHandler (MouseDoubleClickEvent, value); }
+			remove { Events.RemoveHandler (MouseDoubleClickEvent, value); }
+		}
+		public event MouseEventHandler MouseDown {
+			add { Events.AddHandler (MouseDownEvent, value); }
+			remove { Events.RemoveHandler (MouseDownEvent, value); }
+		}
+
+		public event EventHandler MouseEnter {
+			add { Events.AddHandler (MouseEnterEvent, value); }
+			remove { Events.RemoveHandler (MouseEnterEvent, value); }
+		}
+
+		public event EventHandler MouseHover {
+			add { Events.AddHandler (MouseHoverEvent, value); }
+			remove { Events.RemoveHandler (MouseHoverEvent, value); }
+		}
+
+		public event EventHandler MouseLeave {
+			add { Events.AddHandler (MouseLeaveEvent, value); }
+			remove { Events.RemoveHandler (MouseLeaveEvent, value); }
+		}
+
+		public event MouseEventHandler MouseMove {
+			add { Events.AddHandler (MouseMoveEvent, value); }
+			remove { Events.RemoveHandler (MouseMoveEvent, value); }
+		}
+
+		public event MouseEventHandler MouseUp {
+			add { Events.AddHandler (MouseUpEvent, value); }
+			remove { Events.RemoveHandler (MouseUpEvent, value); }
+		}
+
+		//[EditorBrowsable(EditorBrowsableState.Advanced)]
+		[Browsable(false)]
+		public event MouseEventHandler MouseWheel {
+			add { Events.AddHandler (MouseWheelEvent, value); }
+			remove { Events.RemoveHandler (MouseWheelEvent, value); }
+		}
+
+		public event EventHandler Move {
+			add { Events.AddHandler (MoveEvent, value); }
+			remove { Events.RemoveHandler (MoveEvent, value); }
+		}
+		public event EventHandler PaddingChanged
+		{
+			add { Events.AddHandler (PaddingChangedEvent, value); }
+			remove { Events.RemoveHandler (PaddingChangedEvent, value); }
+		}
+		public event PaintEventHandler Paint {
+			add { Events.AddHandler (PaintEvent, value); }
+			remove { Events.RemoveHandler (PaintEvent, value); }
+		}
+
+		public event EventHandler ParentChanged {
+			add { Events.AddHandler (ParentChangedEvent, value); }
+			remove { Events.RemoveHandler (ParentChangedEvent, value); }
+		}
+
+		public event PreviewKeyDownEventHandler PreviewKeyDown {
+			add { Events.AddHandler (PreviewKeyDownEvent, value); }
+			remove { Events.RemoveHandler (PreviewKeyDownEvent, value); }
+		}
+
+		public event QueryAccessibilityHelpEventHandler QueryAccessibilityHelp {
+			add { Events.AddHandler (QueryAccessibilityHelpEvent, value); }
+			remove { Events.RemoveHandler (QueryAccessibilityHelpEvent, value); }
+		}
+
+		public event QueryContinueDragEventHandler QueryContinueDrag {
+			add { Events.AddHandler (QueryContinueDragEvent, value); }
+			remove { Events.RemoveHandler (QueryContinueDragEvent, value); }
+		}
+
+		public event EventHandler RegionChanged {
+			add { Events.AddHandler (RegionChangedEvent, value); }
+			remove { Events.RemoveHandler (RegionChangedEvent, value); }
+		}
+
+		//[EditorBrowsable (EditorBrowsableState.Advanced)]
+		public event EventHandler Resize {
+			add { Events.AddHandler (ResizeEvent, value); }
+			remove { Events.RemoveHandler (ResizeEvent, value); }
+		}
+
+		public event EventHandler RightToLeftChanged {
+			add { Events.AddHandler (RightToLeftChangedEvent, value); }
+			remove { Events.RemoveHandler (RightToLeftChangedEvent, value); }
+		}
+
+		public event EventHandler SizeChanged {
+			add { Events.AddHandler (SizeChangedEvent, value); }
+			remove { Events.RemoveHandler (SizeChangedEvent, value); }
+		}
+
+		public event EventHandler StyleChanged {
+			add { Events.AddHandler (StyleChangedEvent, value); }
+			remove { Events.RemoveHandler (StyleChangedEvent, value); }
+		}
+
+		public event EventHandler SystemColorsChanged {
+			add { Events.AddHandler (SystemColorsChangedEvent, value); }
+			remove { Events.RemoveHandler (SystemColorsChangedEvent, value); }
+		}
+
+		public event EventHandler TabIndexChanged {
+			add { Events.AddHandler (TabIndexChangedEvent, value); }
+			remove { Events.RemoveHandler (TabIndexChangedEvent, value); }
+		}
+
+		public event EventHandler TabStopChanged {
+			add { Events.AddHandler (TabStopChangedEvent, value); }
+			remove { Events.RemoveHandler (TabStopChangedEvent, value); }
+		}
+
+		public event EventHandler TextChanged {
+			add { Events.AddHandler (TextChangedEvent, value); }
+			remove { Events.RemoveHandler (TextChangedEvent, value); }
+		}
+
+		public event EventHandler Validated {
+			add { Events.AddHandler (ValidatedEvent, value); }
+			remove { Events.RemoveHandler (ValidatedEvent, value); }
+		}
+
+		public event CancelEventHandler Validating {
+			add { Events.AddHandler (ValidatingEvent, value); }
+			remove { Events.RemoveHandler (ValidatingEvent, value); }
+		}
+
+		public event EventHandler VisibleChanged {
+			add { Events.AddHandler (VisibleChangedEvent, value); }
+			remove { Events.RemoveHandler (VisibleChangedEvent, value); }
+		}
+
+		#endregion	// Events
+	}
+}