Can I create a COM server with just C# 4.0? [duplicate]

Question

Possible Duplicate:
What do I need to do to implement an “out of proc” COM server in C#?

Hello,

I don't know much about COM or C++, so perhaps this is a silly question:

Without resorting C++/ATL wrapper program, can I make an out-of-process C#/.net 4.0 application that's callable via COM from traditional COM clients?

Thank you