>can i inheret dataenvironment object ?

Yes.. it's just one of those classes that you can't subclass visually. You have to do it progamatically. Well... there is a way to do it in a VCX, but you still can't use the visual tools if you do that:

DEFINE CLASS MyDE as DataEnvironment


ENDDEFINE


THen, you can of course subclass MyDE...

DEFINE CLASS AnotherDE as MyDE
ENDDEFINE

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If you download the FREE CodeBook 6.0 framework you can see this in action. Look at cDataEnvironment.PRG. You can download the framework from www.leafe.com or www.flashcreative.com.

BOb