>Thanks Cetin,
>
>Till now i uses this slowed procedure.
>
>Next, probably, I will use one collection, with BINTOC(hwnd) like key.
>
>However I have inserted one demanded in the Wish List, for resolve this lack.
>
>Fabio

Slow, lack ?
Why don't you simply store form ref. instead of hwnd.
With hwnd even there isn't an API that could activate that window (directly).
Cetin