Rich,
Why not just build your control out of native VFP classes?
>So if I'm building this control I want it to act as proper and dignified as possible.
>
>I'm going to add some more message handling into the control to see what else may be happening if possible. However, I still think it is in how the Window is defined. I've been also trudging through MFC documentation as well to see what Windows Styles and Class Styles they might be putting on that may be causing the problem.