The generated code is slightly different. A method called swigSetup is called during construction of the proxy object.
This is for a future change where a try finally block needs to be put around an unmanaged call during construction (for a new c++ to c# exception conversion handling mechanism)
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@6924 626c5289-ae23-0410-ae9c-e8d60b6d4f22