unwindしながらactionメソッドを使いたい Xcode8.3.1 iOS 10.3 Swift3 NavigationControllerpush segue buttonunwindbuttonaction viewWillDisappearViewViewWillAppear buttonunwindView **** NavigationBarbuttonActionunwind NavigationBarActionunwindNavigationBar

**`UINabvigationBar``UIButton``UIBarButtonItem`** UnwindConnect

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Storyboard`UIButton`

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`UIBarButtonItem``UIButton`ControlConnect`UIButton``UIBarButtonItem`ConnectDocument Outline`UIButton``UIButton``UIBarButtonItem``UIButton`
`UINavigationBar``UISearchBar``UIControl``UIBarButtonItem`