public static void Notify(string title, string message, int autoClose, string icon = null, Action action = null) { if (_notificationFlyout == null) { _notificationFlyout = CreateDialogFlyout(); } var view = new DialogView(_notificationFlyout, title, message, autoClose); if (!string.IsNullOrEmpty(icon)) { view.SetUtilityButton(action, icon); } _notificationFlyout.Content = view; _notificationFlyout.IsOpen = true; }