support for .NET framework 3.5

Still have bugs

Net35/HandyControl_Net35/Shell/JumpItemsRemovedEventArgs.cs

@@ -0,0 +1,28 @@
+namespace Microsoft.Windows.Shell
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Runtime.CompilerServices;
+
+    public sealed class JumpItemsRemovedEventArgs : EventArgs
+    {
+        public JumpItemsRemovedEventArgs() : this(null)
+        {
+        }
+
+        public JumpItemsRemovedEventArgs(IList<JumpItem> removedItems)
+        {
+            if (removedItems != null)
+            {
+                this.RemovedItems = new List<JumpItem>(removedItems).AsReadOnly();
+            }
+            else
+            {
+                this.RemovedItems = new List<JumpItem>().AsReadOnly();
+            }
+        }
+
+        public IList<JumpItem> RemovedItems { get; private set; }
+    }
+}
+