Using c++ library in c#

Question

I am trying include c++ library (DLL) in my c# project but every time I do that I get following error message in VS2008, any suggestions?

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Answer 1

If it's a clean C++ DLL where you only export C compatible functions, then you can use P/Invoke to use those functions. If you turn that C++ DLL into a COM DLL with a Type Library, using it is even easier: you can import the type library into .NET and .NET wrappers (called Runtime Callable Wrappers) are created for you.