>>>First, I must modify all the classes.
>
>No, you don't have to do this. Set FORM.KEYPREVIEW = .T., add a Timer, who is just adding up a FormProperty. In the FORM.KEYPRESS you now can reset this Property whenever the user pressed a key.
>
>With the KEYPREVIEW activated, the FORM get's the Keypress before it is routed to the "real" objects.

Thanks.

Vlad