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[Bindable]
[Embed("images/gif-0997.gif")]
public var rootIcon:Class;//根标签的图标
[Bindable]
[Embed("images/gif-0932.gif")]
public var parentIcon:Class;//父标签的图标
[Bindable]
[Embed("images/gif-0943.gif")]
public var childIcon:Class;//子标签的图标
//来显示树形的自定义图标
private function treeIconFunction(item:Object):Class{
var iconClass:Class;
switch(XML(item).localName()){
case "root":
iconClass = rootIcon;
break;
case "parent":
iconClass = parentIcon;
break;
case "child":
iconClass = childIcon;
break;
default:
break;
}
return iconClass;
}