在下列程序中,无论使用鼠标左键还是右键都能弹出菜单,且弹出菜单中的菜单项都响
应鼠标单击,下面语句正确的是( )
A.SubForm_MouseDown(ButtonAsInteger,ShiftAsInteger,XAsSingle,YAsSingle):
PopupMenutest:EndSub
B.SubForm_keypress(ButtonAsInteger,ShiftAsInteger,XAsSingle,YAsSingle):
PopupMenutest:EndSub
C.SubForm_keyDown(ButtonAsInteger,ShiftAsInteger,XAsSingle,YAsSingle):
PopupMenutest:EndSub
D.SubForm_MouseDown(ShiftAsInteger,XAsSingle,YAsSingle):
PopupMenutest:EndSub