diff -r 07a9329cd87c -r 99f16e21cdc8 GUI/GadgetWindow.cs
--- a/GUI/GadgetWindow.cs	Tue Nov 16 21:48:26 2010 +0000
+++ b/GUI/GadgetWindow.cs	Sun Nov 21 12:28:31 2010 +0000
@@ -132,6 +132,11 @@
             }
           } break;
         case WM_NCLBUTTONDBLCLK: {
+            if (MouseDoubleClick != null) {
+              MouseDoubleClick(this, new MouseEventArgs(MouseButtons.Left, 2,
+                Macros.GET_X_LPARAM(message.LParam) - location.X,
+                Macros.GET_Y_LPARAM(message.LParam) - location.Y, 0));
+            }
             message.Result = IntPtr.Zero;
           } break;
         case WM_NCRBUTTONDOWN: {
@@ -360,6 +365,8 @@
 
     public event HitTestEventHandler HitTest;
 
+    public event MouseEventHandler MouseDoubleClick;
+
     [StructLayout(LayoutKind.Sequential, Pack = 1)]
     private struct BlendFunction {
       public byte BlendOp;