Determines whether the specified menu item is checked.
确定指定的菜单项是否选中。
By making use of a single checkmark menu item instead (Status bar is either checked or unchecked), you can make the meaning unambiguous.
菜单项(状态栏要么已经打上标记，要么没有)，就可以将意思表达清楚了。
By making use of a single checkmark menu item instead (Status bar is either checked or unchecked), you can make the meaning unambiguous.
菜单项(状态栏要么已经打上标记，要么没有)，就可以将意思表达清楚了。
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