https://bugs.winehq.org/show_bug.cgi?id=40913
--- Comment #4 from Alistair Leslie-Hughes leslie_alistair@hotmail.com --- (In reply to Dmitry Timoshkov from comment #3)
(In reply to Alistair Leslie-Hughes from comment #2)
What happens if you don't call SetMapMode and/or SetViewportExtEx?
The SetArcDirection record isn't created.