Assignment of native container types to generated types in C#

Dear All,

I've just started with SWIG and followed the documentation to build
a few first examples. Everything works great!

Now I have a question: I can not use directly the native C# type in
a method signature that expects the generated type. Am I doing some-
thing wrong, or is that expected? I'm not too knowledgeable with C#
so I have a hard time understanding what is even missing - the
assignment operator maybe?

The native method expects a `const std::vector<std::string>&`. I name
this `StringVector` in the interface.

This code illustrates the problem in C#:
    string[] cData = { "Hello", "World", "äöü", "ß 是" };
    IList<string> vStringList = new List<string>(cData);

    var vInteropTestNativeWrapper = new InteropTestNativeWrapper();

    // This does not compile, with error:
    // Argument 1: cannot convert from 'System.Collections.Generic.IList<string>' to 'StringVector' [InteropTestManaged]
    //vInteropTestNativeWrapper.setStringVector(vStringList);

    // This compiles and works, but is a bit more cumbersome:
    vInteropTestNativeWrapper.setStringVector(new StringVector(vStringList));


Is that to be expected, or is there some way in SWIG to use native
types and generated types interchangeable?

All the best,

    Mario Emmenlauer


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