>>>If I change the parent class name to a new name, e.g. MY_TABLE_MAINTENANCE_FORM_NEW_NAME, I need to hack the TABLE_1_FORMLIB.VCX. Is there a one record in the .VCX where I need to change the name? Or I would have to make the change in many records?
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>>I found that no hacking of .VCX is necessary if simply using VFP Redefine feature.
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>That's if you need to do it to the class being edited. If you need to change the parent class of any member object on it (say, a button on a form, or a grid on a page), then your best bet is to either hack the vcx or to write a builder.

There is also a free VFP tool called NewClass that will allow redefining from a selected classlib. Works on SCX and VCX.

I use it often. Says it was written by Glenn Domeracki. I think I downloaded it here on UT, not sure.