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我在苹果的Supporting Multiple Windows on iPad示例代码中添加sceneDidDisconnect(_:)了委托方法（可以在 Xcode 文档窗口中下载）。但是当我运行应用程序并打开多个窗口时，关闭任何窗口时都不会调用此方法。我应该做点别的吗？SceneDelegate