XSharp projects inside Visual studio work with source code items and may contain references to code defined in external libraries.
Inside Visual Studio you can set these references through the References dialog.
In short there are 3 kinds of references:
•Other projects inside the same Visual Studio solution.
References to unmanaged code
You cannot add references to unmanaged code using the Project References.
To call unmanaged code you will have to declare either functions or procedures with the _DLL prefix, or you declare static methods or functions and add a special [DllImport()] attribute to them.
