>>Just use the _vfp.Quit method
>
>But thats not as complicated as I want it to be (aka: doh!).

OK, you want more complicated? Try this:

on shutdown iif(messagebox('Wanna Quit?', 4) = 6, ;
  _vfp.DoCmd("_vfp.Quit"), '')

or this:

on shutdown iif(messagebox('Wanna Quit?', 4) = 6, ;
  _vfp.DoCmd("_vfp.DoCmd('_vfp.Quit')"), '')

ROFL!