Plamen,

thanks a lot, this helped me search in the right direction! Actually we just used framework stuff to instantiate so we didn't fall over this.
With the answer of Doug we are perfect.

Regards
Marcus

>Try to not instantiate ActiveX controls at run-time - you will need license, which comes with Visual Studio/VFP, but not with installation you create. Instead, create subclass, as explained in "AddObject Method" topic of VFP help.