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  1. #1
    Join Date
    Jul 2010

    Question Custom dispatch ID

    I am trying my move my graphics engine to an MFC ActiveX project in VisualC++ 2005.

    Primary question:
    What range of dispatch ID's are safe to define in my own code? I will be using about 300 methods.

    Secondary question:
    Is there a good way to handle vectors (4 x float) and matrices (16 x float) in the ActiveX interface?

  2. #2
    Arjay's Avatar
    Arjay is offline Moderator / MS MVP Power Poster
    Join Date
    Aug 2004

    Re: Custom dispatch ID

    I can't answer your questions, but I can tell you that ActiveX in MFC is clunky at best.

    Instead take a look at doing your ActiveX control with ATL. You'll end up with a lightweight control w/no MFC dependencies.

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