>When you say "I had tried subclassing it" do you have hooked the form messages with SetWindowsHookEx (i tried to hook but the only message hooked with WM_MSGFILTER was WM_MENUSELECT) or do you have sobsituted the messages dispatcher funtion of the form with SetWindowLong ?
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>I'm not an expert on Windows programmation.

I am sorry, I thought you already know it. Yes I mean using SetWindowLong with GWL_WNDPROC for the offset index.