rain wrote: > I want configure wine so that windows executable (*.exe) would have access to Ubuntu's windows. > > I would also like to know if I could use windows executable (*.exe) to send close signal to ubuntu's window. No and no. Wine does not assign HWNDs (window handles) to all X windows. As oiaohm pointed out, X windows behave completely different then Windows' windows there is no way to interact with them in the same fashion. rain wrote: > Ok, but is it possible to request such feature from wine developers? You can request all you want (in bugzilla). The likelihood of it being implemented is close to nil.