Abe,
I just played around with a little code like this in a form.Deactivate() method:
if ( this.lPseudoModal )
nodefault
this.text1.SetFocus()
endif
It pretty much achieves what you are looking for.
Although you ought to give the user a clear indication that the form has gone modal on them.
>In my application I'm showing 2 forms in the screen, both are modeless. Normally the user is allowed to switch from one form to another. But in some situations, I need to temporarily change the form from modeless to modal, then turn it back. I have no problem with the first step, in which I used something like: