http://bugs.winehq.org/show_bug.cgi?id=24293
--- Comment #7 from Vincent Povirk madewokherd@gmail.com 2010-11-11 14:47:29 CST --- https://bugzilla.novell.com/show_bug.cgi?id=518144
So Mono doesn't support managed C++.
It's probably possible to create a simple test-case for the immediate bug that doesn't use managed C++ (or link all sorts of closed MS libraries), but it may be best to wait until we have pure managed code working better.