ApplicationSettings.AddSettingsScenario.addSettingsScenarioAdd_Click C# (CSharp) Метод

        void addSettingsScenarioAdd_Click(object sender, RoutedEventArgs e)
        {
            Button b = sender as Button;
            if (b != null)
            {
                rootPage.NotifyUser("You selected the " + b.Content+ " button", NotifyType.StatusMessage);
                if (!this.isEventRegistered)
                {
                    // TODO 2.1: be notified before the Settings Charm appears to add our settings
                    SettingsPane.GetForCurrentView().CommandsRequested += onCommandsRequested;
                    this.isEventRegistered = true;
                }
            }
        }