单项选择题
A.ListBox B.TextBox C.ComboBox D.Timer
A.PWCHAR="*" B.PASSWORDCHAR="*" C.PASSWORDCHAR=0 D.PWCHAR=0
A._SCREEN.CAPTION=新标题 B.WINDOWS.CAPTION=新标题 C._SCREEN.TITLE=新标题 D.WINDOWS.TITLE=新标题