http://bugs.winehq.org/show_bug.cgi?id=13411
--- Comment #8 from Juan Lang juan_lang@yahoo.com 2009-08-25 17:11:53 --- Created an attachment (id=23251) --> (http://bugs.winehq.org/attachment.cgi?id=23251) Patch: Return the number of characters copied in WM_GETTEXT even if the buffer is too small
Does this patch help?