How to use c# Dll in vc++?

Question

I have created a dll using command line (csc). Suppose that dll contains Add(int,int) method. Now I want to use that add function in vc++??

How to do this?

Your Help will be Greatly Appreciated.

Here is what I am doing.

vcproj; for this project i have right click and linker section add additional dependencies.added the path where dll resides.

main.cpp

using namespace Test

void main()

{

  demo d;

  d.add(5,5);

}

error namespace Test Does not exist.

How to resolve this?

I need to use that dll as in unmanaged code

Answer 1

Your C# assembly needs the ComVisible attribute (among a few other things).

[assembly: ComVisible(true)] 

There's a guide to doing this here.