http://bugs.winehq.org/show_bug.cgi?id=21591
--- Comment #8 from Kenneth Robinette support@securenetterm.com 2010-02-16 07:51:24 --- (In reply to comment #0)
The IShellView does not accept files dropped on it by another program such as the Windows explorer. In addition, the header bar above the filelist is not being displayed correctly. You have to move the mouse over the area where the head is normally displayed, then areas of it will be painted. A sample application that shows both of these problems can be obtained at: http://www.codeproject.com/KB/shell/explorer/explorer.zip
Additional testing shows the IShellView header bar paints correctly when there is no theme selected in the winecfg "Desktop Integration" panel. If a theme such as "Windows XP style" is selected, the header bar will not display correctly.