This questions is a follow up on an answer by Paul Alexander to the question \"Should interop assemblies be signed?\".
Depending on how complex your I
Take a look at the following MSDN article:
Once you've got the interop assembly, use a tool like Reflector to disassemble it and generate the raw C# source. Reflector.FileDisassembler makes this really easy.
Now you can include the generated C#/VB sources directly into your assembly.
I do not know simpler way, and extract interface descriptions via Reflector. However in VS 2010 Microsoft will do this for you automatically.