>This VFP5 implementation of inheritance for ActiveX components seems incorrect.
>
>I created a class based on the MS TreeView. I then sub-classed that class. I replaced the MS TreeView with another TreeView in my base class. But all the derived classes still refer to the old treeview.
>
>Am I missing anything here? Isn't this a fundamentally bad implementation of inheritance. Is there any way around this? I tried to simply edit the derived class, hoping that this would re-sync the OLE info, but it does not. How the heck do I fix the derived classes?

A hack: open directly the VCX file, and fix the CLASS and CLASSLOC fields for your subclasses, so they refer to your treeview.