>Fred,
>
>>> Yes, for the classlib. But what about form? Say, I created form based on VFP base form class, but lately I decided to switch to myForm class in myLib. Right now my only actions here could be open .SCX file as a table and modified this file direcly. It's very inconvenient... But I don't want to insist, because there could be hidden problems...
>>
>>I think you can use the browser for this, too.
>
> I can not redefine form controls... This is that I meant, actually...

That's correct, you can only redefine what the form class is, not it's objects.