How to use asci c library with c and h files from VS2008.

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I am a c# developer, want to use the library developed in ASCI C, which is having many folders with c, h and makefile. Can any one help me guide how to use this library from Visual Studio 2008

Posted 26-May-14 21:27pm

Naina Dhande

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Nivedita_Parihar · Answer 1 · 2014-05-26T21:45:00

Solution 1

Use

[DllImport("your_functions.dll", CharSet = CharSet.Auto)]

You cannot because you can't statically link unmanaged code(c) into managed code(c#). You will have to write a .dll to wrap all your library functions in C++. Once you do, you can use C# interop functionality to call those functions from the dll.

Posted 26-May-14 21:45pm

Nivedita_Parihar

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Naina Dhande 28-May-14 0:53am

Do I have to use PInvoke after creating the dll of the library. If so, How to start?

bling · Answer 2 · 2014-10-02T06:48:00

Here's an easier solution.

Create a C++/CLI project that links to your C library. This completely avoids P/Invokes and DllImport. Getting the DllImport declarations to match actual C functions can be a pain.

Define a namespace in the C++ project with public functions. You don't need to write any C++ classes - unless you want to do so.

The C++/CLI syntax is a little strange at first (lots of "^" hats) and intellisense does not work there.

Keep the C++/CLI later as thin as possible so that most of your debugging is in C# or in the C library.

When debugging, be sure to enable Mixed debugging to you can step through .NET and native code.