                                       relatedObject:DisplayObject = null,
                                       oldIndex:Number = -1,
                                       newIndex:Number = -1,
-                                      triggerEvent:Event = null)
+                                      triggerEvent:Event = null, 
+                                      multipleSelectionChange:Boolean = false)
     {
         super(type, bubbles, cancelable);
 

     */
    public var triggerEvent:Event;

    //--------------------------------------------------------------------------
    //
    //  Overridden methods: Event

     *  @param newIndex The zero-based index after the change.
     *
     *  @param triggerEvent The event that triggered this event.
     * 
     *  @param multipleSelectionChange Whether or not the selection change was from a 
     *  change in multiple selection. 
     *  
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
