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  1. #1
    Join Date
    Jun 2001

    Question Extract interface from COM obj PLS HELP

    I have an ancient COM object written in VB, and I want to extract its interface(s) to rebuild things in C#.

    I tried to add it to a solution, and I can see all the interfaces in Object browser. But how to extract things? There a lots of functions, so I'd rather do things automatically.

    I had hoped I could just rightclick the Interop and select "Extract Interfaces"...

  2. #2
    Join Date
    Jul 2012

    Re: Extract interface from COM obj PLS HELP

    You can use the OLE/COM Object viewer (OleView.exe) installed with either the Windows or .Net SDK to view the embedded type library in ODL (Object Definition Language). This can be saved to a file and used as a guide to manually creating a C# interface. ODL is pretty straight-forward. Use the "View TypeLib" option and select your VB com object's exe/dll file.

  3. #3
    Arjay's Avatar
    Arjay is offline Moderator / MS MVP Power Poster
    Join Date
    Aug 2004

    Re: Extract interface from COM obj PLS HELP

    Have you tried using the "Add Reference" feature and the COM tab?

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