 
     /**
      *  Hides the drop-down list.
+     *
+     *  @param trigger The event to dispatch when the 
+     *  drop-down list closes.
      *  
      *  @langversion 3.0
      *  @playerversion Flash 9

     *    <li>If the item has a label property, returns its value.</li>
     *  </ol>
     * 
     *  @param item The object that contains the value to convert to a label. If the item is null, this method returns the empty string.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9

        if (!initialized || show == _showingDropdown)
            return;

        if (inTween)
            tween.endTween();

        // Subclasses may extend to do pre-processing
        // before the dropdown is displayed
