Whether this does not work:
* to use retval in the method/event
lcretval = externalprg(parameter)

*or to use it in the form having property valuefromprg
thisform.valuefromprg = externalprg(parameter)

>In VFP 6.0, I have a form where I want to call a external prg that returns a value to the form. I am passing a parameter to the external prg. I need to pass back the results.
>
>How can I do this?
>
>Thanks,
>
>-Greg