>You have to issue a .Show() method somewhere to activate the form in .net.

Thanks, that got me the error message i needed in order to figure it out.

It also has to be and EXE apparently.

http://support.microsoft.com/kb/191639

Recompiled it as an EXE and I now have the VFP form hosted and visible in the .Net form.

Now to see if I can get them to play nicely with each other.