>I am using VFP 6 SP3. I would like to ensure that various controls that I use in my forms are properly registered before I instantiate the form; a specific example is the Dynazip control we use for supporting backups.
>
>I am aware of the VFP Foundation Class Registry classes, but the Dynazip controls register themselves only as GUIDs and we have not been able to find a way to "search" the registry (as we would do with RegEdit).
>
>Can anyone tell me how to determine if the Registry includes an entry for "abcdefg.dll" ?
>
>Thanks.

How do you instanciate the control? If it is a real COM object or ActiveX control, it should have a ProgID that is used to instanciate it. VFP doesn't have a native way to instanciate an object directly from its GUID.