>>Actually, this was not my question originally, but I'm just poke (?) my nose into this problem, as I always do :)
>
>Nadya,
>
>I'd probably use a Timer event that fired evey 'n' minutes (15, 30, 60?) and kept track of inactivity. I suppose you could also use this to log folks off if you wished as well...

Ok, my experiment confirmed, that VFP reacts only on its inner mouse clicking or lastkey(). So, the answer is a timer.