private void update(Object message)
 {
     factory = RssReaderFactory.getInstance();
     this.channels.Add(factory.createChannel(link, FeedType.RSS));
     parseChannels();
 }
 private void Button_Click_1(object sender, RoutedEventArgs e)
 {
     this.factory = RssReaderFactory.getInstance();
     channels.Add(factory.createChannel(link_box.Text, FeedType.RSS));
     parseChannels();
 }