/// <summary>
 /// Handles the SelectionChanged event of the selectionService control.
 /// </summary>
 /// <param name="sender">The source of the event.</param>
 /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
 void selectionService_SelectionChanged(object sender, System.EventArgs e)
 {
     if (selectionService.PrimarySelection is NaviBand)
     {
         designingControl.SetActiveBand(
             selectionService.PrimarySelection as NaviBand);
     }
 }