Call C++ native dll from C# code

Question

I wrote total native C++ code dll and I want to call his method thru C# code using P/Invoke. Do I need to change something in the properties of the native dll for this ?

score 3 · Accepted Answer · edited May 23 '17 at 11:49

3

P/Invoking requires the stdcall convention. So look if all your functions declarations are preceeded by __stdcall. Otherwise the stack gets corrupted.

Also look at PInvokeStackImbalance C# call to unmanaged C++ function

edited May 23 '17 at 11:49

Community

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answered Jun 05 '12 at 14:36

score 1 · Answer 2 · answered Jun 05 '12 at 14:31

No, you don't need to change the properties of the DLL itself, but you need to make sure that the calling conventions match with those used in C#. Then you need to declare your callable functions in C# with matching argument and return types of those in C++.

Now you can call your functions in C#.

Besides the calling convention thing for your C++ functions, it should be fairly easy.

Call C++ native dll from C# code

2 Answers2