diff --git a/win/rfb_win32/CompatibleBitmap.h b/win/rfb_win32/CompatibleBitmap.h
new file mode 100644
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--- /dev/null
+++ b/win/rfb_win32/CompatibleBitmap.h
@@ -0,0 +1,46 @@
+/* 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.
+ */
+
+#ifndef __RFB_WIN32_COMPAT_BITMAP_H__
+#define __RFB_WIN32_COMPAT_BITMAP_H__
+
+#include <windows.h>
+#include <rdr/Exception.h>
+
+namespace rfb {
+  namespace win32 {
+
+    class CompatibleBitmap {
+    public:
+      CompatibleBitmap(HDC hdc, int width, int height) {
+        hbmp = CreateCompatibleBitmap(hdc, width, height);
+        if (!hbmp)
+          throw rdr::SystemException("CreateCompatibleBitmap() failed", GetLastError());
+      }
+      virtual ~CompatibleBitmap() {
+        if (hbmp) DeleteObject(hbmp);
+      }
+      operator HBITMAP() const {return hbmp;}
+    protected:
+      HBITMAP hbmp;
+    };
+
+  };
+};
+
+#endif