解決方法一:
發佈版本改為Flash 8就不會報錯
解決方法二:
改function setTreeIcon(tree:Tree, treeNode:XMLNode):Void {為function setTreeIcon(tree:Tree, treeNode):Void {
改function treeExpandAll(tree:Tree, treeNode:XMLNode, doOpen:Boolean):Void {為function treeExpandAll(tree:Tree, treeNode, doOpen:Boolean):Void {