From da6e7a7e8b3d8944d9139d4e2bb3ecfa2122840b Mon Sep 17 00:00:00 2001
From: Alex-TIMEHACK <alexbu2015@hotmail.com>
Date: Sat, 1 Jul 2017 22:17:57 +0100
Subject: Moar stuff

---
 TimeHACK.Engine/FileAssociation.cs | 50 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 TimeHACK.Engine/FileAssociation.cs

(limited to 'TimeHACK.Engine/FileAssociation.cs')

diff --git a/TimeHACK.Engine/FileAssociation.cs b/TimeHACK.Engine/FileAssociation.cs
new file mode 100644
index 0000000..25fe895
--- /dev/null
+++ b/TimeHACK.Engine/FileAssociation.cs
@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Runtime.InteropServices;
+using Microsoft.Win32;
+
+namespace TimeHACK.Engine
+{
+    public class FileAssociation
+    {
+        // Associate file extension with progID, description, icon and application
+        public static void Associate(string extension,
+               string progID, string description, string icon, string application)
+        {
+            Registry.ClassesRoot.CreateSubKey(extension).SetValue("", progID);
+            if (progID != null && progID.Length > 0)
+                using (RegistryKey key = Registry.ClassesRoot.CreateSubKey(progID))
+                {
+                    if (description != null)
+                        key.SetValue("", description);
+                    if (icon != null)
+                        key.CreateSubKey("DefaultIcon").SetValue("", ToShortPathName(icon));
+                    if (application != null)
+                        key.CreateSubKey(@"Shell\Open\Command").SetValue("",
+                                    ToShortPathName(application) + " \"%1\"");
+                }
+        }
+
+        // Return true if extension already associated in registry
+        public static bool IsAssociated(string extension)
+        {
+            return (Registry.ClassesRoot.OpenSubKey(extension, false) != null);
+        }
+
+        [DllImport("Kernel32.dll")]
+        private static extern uint GetShortPathName(string lpszLongPath,
+            [Out] StringBuilder lpszShortPath, uint cchBuffer);
+
+        // Return short path format of a file name
+        private static string ToShortPathName(string longName)
+        {
+            StringBuilder s = new StringBuilder(1000);
+            uint iSize = (uint)s.Capacity;
+            uint iRet = GetShortPathName(longName, s, iSize);
+            return s.ToString();
+        }
+    }
+}
-- 
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