https://bugs.winehq.org/show_bug.cgi?id=45698
--- Comment #7 from David Kahurani k.kahurani@gmail.com --- (In reply to David Kahurani from comment #2)
I get the attached screenshot, sometimes just the letters 'Hel', sometimes, 'Hello' etc. I just fails randomly(though the return code is always success).
I tried tracking down the issue and noticed this happens when the method static BOOL polyline( HDC hdc, const POINT *points, ULONG count ), is called repeatedly. At some point in the later runs, it breaks, though, I haven't witnessed it break in the first runs. And, for instance, if you have only one character in the added strings, it's outline is always rendered correctly.
Uuuh, this mostly just needs a call to UpdateWindow :-)