init(windowScene:actionHandler:)
Creates a UI update link for the specified window using the specified action handler.
Declaration
init(windowScene: UIWindowScene, actionHandler handler: @escaping (UIUpdateLink, UIUpdateInfo) -> Void)Discussion
This initializer adds the action to the beforeCADisplayLinkDispatch phase. To specify a different phase, use addAction(to:handler:) or addAction(to:target:selector:) instead.