http://bugs.winehq.org/show_bug.cgi?id=9504
--- Comment #4 from Peter Åstrand peter@cendio.se 2007-10-29 04:22:53 --- This bug also occurs in Microsofts "CMNCTRL1 Sample", available from http://msdn2.microsoft.com/en-us/library/ftzc04bf(VS.80).aspx. Try http://www.cendio.com/~astrand/wine/62-tab-size/CmnCtrl1.exe, select tab "CDateTimeCtrl" and click on the drop down.