http://bugs.winehq.org/show_bug.cgi?id=17259
--- Comment #2 from Nikolay Sivov bunglehead@gmail.com 2009-03-21 09:11:10 --- Hi. Please try a patch from 14792:
http://bugs.winehq.org/show_bug.cgi?id=14792#c8
I haven't got any response in 14792.
BTW. IPADDRESS_GetPartIndex error noise is wrong. It'll always appear on WM_SETFOCUS from another window to this control.