Mac OS 点击dock应用图标重新弹出主窗口

#MacOS 点击dock应用图标重新弹出主窗口

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func applicationShouldHandleReopen(_ sender: NSApplication, hasVisibleWindows flag: Bool) -> Bool {
        if (!flag) {
            NSApp.activate(ignoringOtherApps: false)
            self.window.makeKeyAndOrderFront(self)
        }
        return true
    }