https://bugs.winehq.org/show_bug.cgi?id=48770
--- Comment #2 from Rafał Mużyło galtgendo@o2.pl --- ...I don't know how/if this works on Windows, what I'm saying is if keyboard works and scrollbar doesn't, there's a gui bug somewhere - mono seems more likely culprit, yet that doesn't exclude - for example - wine's user32.dll.