I think you'll have to use a WSH ( Windows Scripting Host ) object to achieve this. Do a search on it here on UT and you'll find plenty of examples.
HTH
Jaime

>Hi,
>What would be the most efficient way that FoxPro could communicate with a Powerbuilder application?
>
>We have a FoxPro & a PB application and it would be required for FoxPro to verify whether the PB application already exists and otherwise spawn an instance of PB, pass verious parameters and cause the PB application to display results.
>
>Any suggestions would be really appreciated.
>
>Thank you.
>
>Ria