public void removeBalloon( TweetBalloon balloon )
        {
            if( rootPanel.Children.Contains( balloon ) ) {
                rootPanel.Children.Remove( balloon );
            }

            SBBalloonRemovedEventArgs e = new SBBalloonRemovedEventArgs( );

            List<Tweet> tweetData = new List<Tweet>( );
            e.TweetToRemove = balloon.Tweet;

            SBBalloonRemoved( this, e );
        }
 public void addBalloon( TweetBalloon balloon )
 {
     rootPanel.Children.Add( balloon );
 }