I set a NSViewController s view as contentview of mainmenu s window,now how should i use - (BOOL)windowShouldClose:(id)sender ?
就在你档案中添加“NSWindowDelegate并不使魔法发生”,你还需要为你的窗户指定代表。
你把你的窗子放在你身上吗?
以及
Discussion This method may not always be called during window closing. Specifically, this method is not called when a user quits an application.
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