Hi,

I've a migration scenario where I rewrite a COM object to an .NET interop
assembly (so, still callable from COM). What is the impact if I continue my
step-by-step migration and have a scenario where my .NET objects start to
call .NET interop assemblies? Is there an overhead included?

For example, I've three objects: A (fully COM), B (interop assembly) and C
(.NET assembly).

A calls B and C calls B. From A to B is done through the CCW. Is C to B than
done through the RCW since my interop assembly still has a COM interface?

Is there a difference in B and C anyway, is there a wrapper involved?

Should a think of custom-managed wrappers in case of the C to B call?

Any input is very much appreciated (couldn't find the details in the MSDN
docs).

Regards,

Onno Ceelen