>>I want to close down a form after it has been inactive for a certain period of time. I'm assuming I should use a timer but I'm not sure how to use it properly to capture this situation. Any ideas?
>
>*** Timer.Timer event
>IF ABS(seconds()-thisform.seconds)>1200 && check every 20 min.
> Release Thisform
>ENDIF
>*** ControlX.InteractiveChange event (or something else)
>Thisform.seconds=seconds()

The Timer event and Seconds property I understand but I need some clarification on the ControlX. Do you mean I should have a particular object to update Thisform.Seconds or do I need to update it from every object?