1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
// 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) 2007 Novell, Inc.
//
using System;
using System.Threading;
using System.ComponentModel;
// Some implementation details:
// http://msdn.microsoft.com/msdnmag/issues/06/06/NETMatters/default.aspx
namespace ShiftUI
{
public sealed class WindowsFormsSynchronizationContext : SynchronizationContext, IDisposable
{
private static bool auto_installed;
private static Widget invoke_control;
private static SynchronizationContext previous_context;
#region Public Constructor
public WindowsFormsSynchronizationContext ()
{
}
static WindowsFormsSynchronizationContext ()
{
try {
invoke_control = new Widget ();
invoke_control.CreateWidget ();
auto_installed = true;
previous_context = SynchronizationContext.Current;
}
catch (Exception ex) {
Console.WriteLine (ex.Message);
}
}
#endregion
#region Public Properties
//[EditorBrowsable (EditorBrowsableState.Advanced)]
public static bool AutoInstall {
get { return auto_installed; }
set { auto_installed = value; }
}
#endregion
#region Public Methods
public override SynchronizationContext CreateCopy ()
{
return base.CreateCopy ();
}
public void Dispose ()
{
}
public override void Post (SendOrPostCallback d, object state)
{
invoke_control.BeginInvoke (d, new object[] { state });
}
public override void Send (SendOrPostCallback d, object state)
{
invoke_control.Invoke (d, new object[] { state });
}
public static void Uninstall ()
{
if (previous_context == null)
previous_context = new SynchronizationContext ();
SynchronizationContext.SetSynchronizationContext (previous_context);
}
#endregion
}
}
|