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Dynamics 365 Community / Forums / Finance forum / How to include a C/C++...
Finance forum

How to include a C/C++ DLL which is not .NET in a Dynamics D365 Operations Project?

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Posted on by Community Member

Hello,

I have to include a third party C/C++ DLL which is not .NET in a Dynamics D365 Operations Project. How can I do this?

I tried to create an own dll which includes the third party DLL in C++ with Visual Studio. For creating my own DLL I chosed Win32 Console Application with the application type DLL. When I want to inlcude my own DLL into my project I get an error message saying: "File ....dll is not a valid .NET assembly. This file will note be added as a reference."

I think I have to create a .NET dll, but how can I do this?

Does anyone got a good documentation on how to include third party DLLs?

Categories:
Finance and Operations
I have the same question (0)
  • Community Member Profile Picture
    Community Member on at

    When I try to add the third party DLL in a own C# DLL I get a error message saying: "A reference to 'C:\....dll' could not be added. Please make sure that the file is accesible, and that it is a valid assembly or COM component."

  • Verified answer
    Srini Ramidi Profile Picture
    Srini Ramidi 2 on at

    Hello,

    To use an unmanaged dll (native C++) in C#, you have to use DllImport or PInvoke, not by adding a reference to the project in visual studio. Refer these:

    msdn.microsoft.com/.../system.runtime.interopservices.dllimportattribute(v=vs.90).aspx

    clrinterop.codeplex.com/.../14120

    Best,

    Srini

  • Community Member Profile Picture
    Community Member on at

    Hello Srinivas,

    Thank you very much for your answer. This is the solution!

    Regards,

    Kai

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