>In oApp.Init I have this:
>
> _SCREEN.AddObject("odTimer","timer")
> _SCREEN.odTimer.Interval = (1000 * cfgDuration)
> _SCREEN.odTimer.Enabled = .T.
>
> * Ok so far, no errors.
>
> Q. Where do I add code to the .Timer event?
> How do I know if anyone has moved the mouse or pressed a key?
> There is no KeyPress for a _SCREEN or formset.
> A while loop to check .Forms seems a little sloppy.
>
>Eric K.

_SCREEN doesn't have events. If you use VFP5 you could consider top-level form approach.
To customize code in _SCREEN.Timer events you should create your own timer class customizing code in Class Designer, and instanciate object from this class.