>hi, it failed when i execute the run /n osk.exe. I have looked at osk.exe before but may not be suitable for my form as i also want to programmatically select either standard keys or num pad. thanks
You can.
Try:

RUN/N OSK.EXE
NumLock(.f.)
** Now press numeric keypad on OSK with mose
** After you play a little try with:
NumLock(.t.)