Index: trunk/Source/OpenTK/Platform/Windows/WinGLNative.cs
===================================================================
--- trunk/Source/OpenTK/Platform/Windows/WinGLNative.cs	(revision 2553)
+++ trunk/Source/OpenTK/Platform/Windows/WinGLNative.cs	(working copy)
@@ -150,6 +150,9 @@
 
         #region WindowProcedure
 
+        [DllImport("user32.dll")]
+        static extern bool SetForegroundWindow(IntPtr hWnd);
+
         IntPtr WindowProcedure(IntPtr handle, WindowMessage message, IntPtr wParam, IntPtr lParam)
         {
             switch (message)
@@ -201,6 +204,7 @@
                     break;
 
                 case WindowMessage.ERASEBKGND:
+                    SetForegroundWindow(handle);
                     return new IntPtr(1);
 
                 case WindowMessage.WINDOWPOSCHANGED: