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.

Yes, that's the point.