support for .NET framework 3.5

Still have bugs

Net35/HandyControl_Net35/Shell/Standard/CLSID.cs

@@ -0,0 +1,20 @@
+namespace Standard
+{
+    using System;
+
+    internal static class CLSID
+    {
+        public const string ApplicationDestinations = "86c14003-4d6b-4ef3-a7b4-0506663b2e68";
+        public const string ApplicationDocumentLists = "86bec222-30f2-47e0-9f25-60d11cd75c28";
+        public const string DestinationList = "77f10cf0-3db5-4966-b520-b7c54fd35ed6";
+        public const string EnumerableObjectCollection = "2d3468c1-36a7-43b6-ac24-d3f02fd9607a";
+        public const string ShellLink = "00021401-0000-0000-C000-000000000046";
+        public const string TaskbarList = "56FDF344-FD6D-11d0-958A-006097C9A090";
+
+        public static T CoCreateInstance<T>(string clsid)
+        {
+            return (T) Activator.CreateInstance(Type.GetTypeFromCLSID(new Guid(clsid)));
+        }
+    }
+}
+