http://bugs.winehq.org/show_bug.cgi?id=16574
--- Comment #6 from Rein Klazes wijn@online.nl 2009-10-17 12:23:55 ---
This "dialog" seems to be a customized standard file open dialog.
After wine 1.1.24 some significant improvement were made with this dialog.
Can you try wine version 1.1.31?