How to Pass User Defined Class objects from C++ to C# using CLI

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C++/CLI

Hi,

I am a C,C++ programmer and new to C#. We a C# application which needs to be integrated with an C++ dll. I am using CLI to accomplish the same. There are a lot of C++ APIs that need to be called from C# application, additonally, each of these API contain a lot of user defined class objects as arguments. My question is how to handle passing of C++ class objects to C# using CLI? Secondly, Is there any similiar solution like "IKVM" (C#<->Java) for C#<->C++?

Thank You for Your Help,
Deepak