>Hi George,
>That seems so simple however I am having a proplem. I have vfp run the cad cam app. Now at this point the cad cam app is on the desktop as well as vfp is on the desktop. I type in the command window the following:
>closewindow(is_run32("CadCam",.t.)) && I have included closewindow.prg below

Neil,

Is the above syntax correct? Or are you using

CloseWindow(Is_Run32("CadCam"), .T.)

Since I'm unfamiliar with the application, it's really hard to say what's going on. Does it exhibit the same behavior if you use WM_CLOSE rather than WM_DESTROY?