- Need to create a caret before calling ImmSetCandidateWindow() this is a work-around of a bug with MS PinYin. - Caret is created when we receive StartComposition() and is destroyed when we receive EndComposition() - impact only in WinXP with MS PinYin /r=shanjian; /sr=jst git-svn-id: svn://10.0.0.236/trunk@130402 18797224-902f-48f8-a5cc-f745e15eee43