Use C++ API in C# Project

Question

Is it possible to use a C++ API (series of Header files and CPP files) in a C# project?

Maybe its possible to compile these files into .obj or .lib files and include them in the Visual C# project? Something similar is done for Crypto++.

If it is possible, are there any drawbacks from this?

Context and import information:

The C++ API is called NWCreate and is developed by Autodesk Navisworks
I am using Microsoft Visual Studio C# 2010
We have a large existing code base in C# where much of the operations we will perform in the navisworks plugin are already coded in C# (from other Autodesk projects we have produced). So having to rewrite all those operations in C++ is very much reinventing the wheel.

This is best solution. It worked well for me stackoverflow.com/a/34541336/5732839 — Croko
– Croko, Commented Dec 31, 2015 at 5:12

ray_linn · Accepted Answer · 2014-05-29 04:30:04Z

1

at least , you have 2 method to invoke C/C++ API from .NET:

Compile the C/C++ API as dll, then use PInvoke to call it from .NET
Use Managed C++ (VC++), then use IJW to wrap the native code, IJW will generate managed code that can call directly from .NET

answered May 29, 2014 at 4:30

ray_linn

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