Hello,
just a guess that might help you further. Try and use something like this:
_tree.addEventListener(ItemClickEvent.ITEM_CLICK, _someHandler);
private function _someHandler(e:ItemClickEvent):void
{
_tree.expandItem(_tree.selectedItem, true, true);
// or
_tree.expandChildrenOf(_tree.selectedItem, true);
// or
var openItems_arr:Array = _tree.openItems as Array;
openItems_arr.push(_tree.selectedItem);
_tree.openItems_arr = openItems_arr;
};
Greetz Erik
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