您所在位置：主题：GetMenuState 如何获得返回值的高位
w7121544
[专家分：0] 发布于 2013-02-03 21:24:00
The value 0xFFFFFFFF if the specified item does not exist. If nId
identifies a pop-up menu, the high-order byte contains the number of items in
the pop-up menu and the low-order byte contains the menu flags associated with
the pop-up menu. Otherwise the return value is a mask (Boolean OR) of the values
from the following list (this mask describes the status of the menu item that
nId identifies):
如何获得high-order 啊？