http://bugs.winehq.org/show_bug.cgi?id=6745
--- Comment #10 from Roderick Colenbrander thunderbird2k@gmx.net 2008-02-22 14:38:09 --- I wrote a simple test which did: wglDeleteContext(NULL) and this seems to return FALSE on windows, so returning TRUE seems wrong.
I really wonder what is the problem then.