>I simply define OOP methodology in four terminologies: Inheritance, Subclassing, Encapsulation, and Polymorphism.
>
>3 questions:
>1. Is containership has something to do with OOP?
>2. Is this the reason why VB doesn't support Grid having multiple controls?
>3. Is there any activeX available which can be use aside from VFP grid so that it can also be used in VB?

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I have never been good at terminology so choose to only reply 3rd :)
There are MS DataGrid, MS FlexGrid, MS HflexGrid controls that could be used with both VFP and VB.
Cetin