diff --git a/win/rfb_win32/WMWindowCopyRect.h b/win/rfb_win32/WMWindowCopyRect.h
new file mode 100644
index 0000000..5a0e876
--- /dev/null
+++ b/win/rfb_win32/WMWindowCopyRect.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+// -=- WMWindowCopyRect.h
+//
+// Helper class which produces copyRect actions by monitoring the location
+// of the current foreground window.
+// Whenever processEvent is called, the foreground window's position is
+// recalculated and a copy event flushed to the supplied UpdateTracker
+// if appropriate.
+
+#ifndef __RFB_WIN32_WM_WINDOW_COPYRECT_H__
+#define __RFB_WIN32_WM_WINDOW_COPYRECT_H__
+
+#include <rfb/UpdateTracker.h>
+
+namespace rfb {
+
+  namespace win32 {
+
+    class WMCopyRect {
+    public:
+      WMCopyRect();
+
+      bool processEvent();
+      bool setUpdateTracker(UpdateTracker* ut);
+
+    protected:
+      UpdateTracker* ut;
+      void* fg_window;
+      Rect fg_window_rect;
+    };
+
+  };
+
+};
+
+#endif // __RFB_WIN32_WM_WINDOW_COPYRECT_H__