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Type: Posts; User: FredEx42

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  1. Replies
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    Re: Access my C# dll in C++

    I found the problem -- I wasn't appending "Ptr" to the interface name in the .cpp file. Thanks for replying.
  2. Replies
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    Re: Access my C# dll in C++

    I get the same errors as reported at the start of the thread, starting with:

    1>CppTest.cpp(16): error C2259: 'DoIt::IDoIt' : cannot instantiate abstract class
    1> due to following...
  3. Replies
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    10,163

    Re: Access my C# dll in C++

    [QUOTE=darwen;1746816](1) You need to add a [Guid(...)] attribute to your IMessage and MyTest classes. You need to generate unique GUIDs for both. See here. Then re-run regasm on your dll.

    I tried...
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