Re: Can't add property getter for write-only property in derived interface

"Igor Tandetnik" <>
Mon, 25 Jun 2007 08:35:28 -0400
<> wrote in message

You would also need a custom IDispatch implementation that would
support the functionality of both interfaces.

Sorry, I should have been clearer about this - I meant IMyInterface2
would have a copy of everything in IMyInterface, so the IDispatch
would only need to support IMyInterface2's functionality (a superset
of IMyInterface). Call it "copy and paste inheritance" :-)

In this case, make sure IDispatch portion of IMyInterface actually
delegates to that of IMyInterface2. Otherwise you will be in a bad
situation where, say, IDispatch::Invoke behaves differently depending on
the way IDispatch pointer was obtained.
With best wishes,
    Igor Tandetnik

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