https://bugs.winehq.org/show_bug.cgi?id=52296
--- Comment #2 from Bernhard Übelacker bernhardu@mailbox.org --- Created attachment 71490 --> https://bugs.winehq.org/attachment.cgi?id=71490 Backtrace while looping with debug symbols also for vncviewer.exe.
Seems SetScrollInfo causes enabling of the scrollbars, which causes WM_WINDOWPOSCHANGED to which the application reacts with ShowScrollBar(SB_VERT, 0, 0) which causes another WM_WINDOWPOSCHANGED which causes SetScrollInfo which enables the scrollbars again ...