Some useful doxygen stuff
If you have to deal with .NET stuff and you want to generate a doxygen docu because the code is only a separate component of a bigger project, you have to convert the xml tags into doxygen-compliant tags. And if you are looking for you can find a lot of similar issues like integrating python docu into a doxygen format. Fortunately some clever guys already solute this issues. Take a look to the following URL:
Doxygen extentions
It is possible to extend the doxygen parser. Or you can use a preprocessor to convert your tags into doxygen.