我如何擴大特定節點在Flex樹控制

Question

這是使用代碼IM ...

dp = CategoryParser.createDataProvider(Application.application.categoriesmanager.categoryBaseList); 

var xList:XMLList = dp..category.(hasOwnProperty("@categoryid") && @categoryid == 1491); 

categoryTree.expandItem(xList, true); 

Answer 1

有牽引方式：這裏

tree.openItems = xList;細節http://blog.flexexamples.com/2008/01/15/expanding-nodes-in-a-flex-tree-control-using-the-openitems-property/

還是在其他情況下，這一個

http://blog.flexexamples.com/2007/12/02/expanding-and-collapsing-flex-tree-nodes-using-the-expanditem-and-expandchildrenof-methods/