  *  in tree, such as when a tree branch opens or closes.
  *
  *  @see mx.controls.Tree
+ *  
+ *  @langversion 3.0
+ *  @playerversion Flash 9
+ *  @playerversion AIR 1.1
+ *  @productversion Flex 3
  */
 public class TreeEvent extends Event
 {


    /**
     *  The ListItemRenderer for the node that closed or opened.
     */
    public var itemRenderer:IListItemRenderer;


    /**
     *  Whether to animate an opening or closing operation; used for 
     *  ITEM_OPENING type events only.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 9
     *  @playerversion AIR 1.1
     *  @productversion Flex 3
     */
    public var animate:Boolean;

