Accessing managed dll from c++

I need to access a DLL made in C# from C++ (v 6.0).

I found this article:
http://support.microsoft.com/kb/828736

But I run into problems whenever I try to register the DLL. It suggests that I add [ClassInterface(ClassInterfaceType.None)] to my class, which I then did, and it didn't work.

Does anyone have a code sample with a C# DLL accessed from C++ which works? Preferably a solution with the C# dll and another one with the C++ that accesses it.

Other suggestions/hints/articles are also welcome.

Thanks in advance.