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Editorial Team
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Asked: 2026-05-11T22:09:39+00:00

I need to compile some code of mine using the gcc compiler included in

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I need to compile some code of mine using the gcc compiler included in the R tools (R the statistical program for windows), the problem is that I need to use IDispatch in my code to create an access the methods of a COM object, and the gcc compiler doesn’t support much of the code that I’m using to do so, which is basically C++ code.

So my question is how can I use IDispatch in C to create the COM object without having to depend on MFC, .NET, C#, WTL, or ATL. I believe that if I do so I will be able to compile my code without any problem.

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1 Answer

  1. Editorial Team

    There is a great article on CodeProject entitled “COM in plain C”.

    Here is the link to Part 1.

    There is a lot of very good info on working with COM in C in that article and the author’s subsequent follow-ups (I think there are 3 or 4 in the series).

    Edit:
    I was wrong, there are 8 parts!

    Part 2
    Part 3
    Part 4
    Part 5
    Part 6
    Part 7
    Part 8

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