>>>I have a lot of forms in my app, I was wondering of a way to disallow minimizing all forms in one fell swoop?
>>
>>You can do a loop through _screen.Forms collection and set MinButton = .f. for each of them, e.g.
>>

>>for each oForm in _screen.Forms
>>    if pemstatus(oForm, 'MinButton',5)
>>       oForm.MinButton = .f.
>>   endif
>>endfor

>>
>>from the top of my head - not tested.
>
>That works fine, but just for forms already open. Maybe I'm asking the impossible. My main form simply opens other forms, and they in turn can open still more forms.

How your main form opens other ones?
Or meybe you should your own class based on form that could handle all for you?