[RESOLVED] How can I use C libraries with C#?

We are currently working on a project, where my friends are writing some data processing code with C (dll). I was told to build a gui and handle the database stuff with C#.NET.
can i link those libraries to my program and how do i do that?

You need to have a look at www.pinvoke.net to see examples of DllImport.
There you can find windows api's function that much signatures method in C#.

Regards,
Tom

Code:

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[DLLImport("dllname.dll")]
public static extern void functionName(params);
...
functionName(...); //Calling function

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thanks guys