private void sendToast_click(object sender, RoutedEventArgs e)
 {
     notificationHelper = new NotificationHelper(this.Frame);
     notificationHelper.SendToastNotification();
     xmlContent.Text = notificationHelper.ToastXMLContent;
   
 }
 private void customSendToast_click(object sender, RoutedEventArgs e)
 {
     notificationHelper = new NotificationHelper(this.Frame);
    
     notificationHelper.ToastActiveEvent += ToastEvent;
     notificationHelper.SendToastDefineXML();
     var directPage= notificationHelper.ToastArgs;
    
     
 }