挂接WH_CALLWNDPROC(WM_IME_COMPOSITION),WH_GETMESSAGE(WM_CHAR和WM_KEYUP),前者记录中文,后者记特殊按键和字母符号.-articulated WH_CALLWNDPROC (WM_IME_COMPOSITION) , WH_GETMESSAGE (WM_CHAR and WM_KEYUP), the former Chinese records, the latter in mind the special keys and alp