>>This way, this user will get 'stop' message. Do you want to force other users >to quit?
>
>I guess not, that would not exactly be right. For curiosity - how would one force others to quit?

There are no 100% reliable ways. You can build timer to check some hidden table value and fire CLEAR EVENTS (with some message before :), but there are certain interface situations (e.g. opened submenu, popup or combo) when timer does not fire.