Wrapping unmanaged C++

Hello,

I have a huge set of unmanaged C++ classes, which I wrapped in managed C++.
Everything is in one assembly.
Using my wrapper in C# works fine.
However, when I would like to use the wrapper in managed C++ I get the
following warnings and errors:

warning C4945: 'MyType' : cannot import symbol from 'mydll.dll': as
'MyNamespace::MyType' has already been imported from another assembly
'mydll.dll'
stdafx.cpp(0) : see declaration of 'MyNamespace::MyType' first seen type is
used; re-order imported assemblies to use the current type

(Is this caused by forward declarations?)

And:

error C3635: 'MyUnmanagedNamespace::MyUnmanagedType': undefined native type
used in 'MyNamespace::MyType'; imported native types must be defined in the
importing source code
did you forget to include a header file?

My questions:

How can I solve these problems WITHOUT having to include my unmanaged header
files in the project that uses my assembly? I am not using any unmanaged
stuff, so why would I like to include anything?
I want to re-use the code at binary level only.

Greets,
Arthur

How are you trying to reference your dll ?

Have you tried

Code:

---

#using "name of dll.dll"

---

instead of adding it to the references list ?

Darwen.

I do both...

The only solution I can think of is to dump all of the header files of my unmanaged library in "uncludeallunmanaged.h", and link the lib of the unmanaged library with my project. I don't want to let the users of this managed dll think about what unmanaged stuff they need to include...

Doing both is your problem. You need to do only one or the other. If you put the dll in your references and also put a #using statement, it tries to import the dll twice. (it's different than in C#)