>>You have now copied the class to another library with no effect on the original. The class still references the same hierarchy, however; you will probably need to Redefine where the class inherits from to get your desired behavior.
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>By the way, how can I change ClassLibrary property? It refers to the original class library where I copied from. In the Class Info dialog, the class library is the new library (where I copied the class to)...
>
>TIA

Right click on the class and hit redefine.