>>>Because they're bitmaps, drawn and managed by VFP, not by the OS.
>>>
>>>>Eh... why do you think VFP does not use real windows? VFP controls are not windows as oposed to other languages, but the windows ARE real windows.
>>
>>Nope, they are real windows, If you look at SPY++ you'll see that windows in VFP *are* real windows. You can use win API on them and use the appropriate hwnd to adress them.
>>
>
>Just a question - did this change from about 1996 (VFP 3) to 1999 (VFP 5 or VFP 6), or was it always that way?

I never used VFP3 but AFAIK, they Always were windows, even in FPW26 they were as you could use Windows API call on them.