I do not think that we can create a perfect tag for C#, but want to have a html based source code view. So here is my quick test and it works as expected. Just insert the following into gtags.conf gtags:\ :tc=common:\ :langmap=c\:.c.h,yacc\:.y,asm\:.s.S,java\:.java,cs\:.cs,cpp\:.c++.cc.cpp.cxx.hxx.hpp.C.H,php\:.php.php3.phtml:++ :langmap=cs\:.cs.h.cppproj.csproj.aspx.asax.config.cscfg.csdef:\ and
