interfacing between c++ and c

[mohahhh]

I need to merge (put) c++ classes in c#.net project or make something to enable me to run and manage interfacing between 2 kind of languages c++ and c#
thanks

[Krishnaa]

Here,
Notes on moving to C# from C++.
http://msdn.microsoft.com/msdnmag/issues/01/07/ctocsharp/

http://msdn.microsoft.com/msdnmag/issues/02/08/CQA/

And how to call C++ classes from C#

http://blogs.msdn.com/sanpil/archive/2004/07/07/175855.aspx