var my_tr:mx.controls.Tree;

 

my_tr.setSize(200, 140);

var trDP_xml:XML = new XML("<node label='1st Local Folders'><node label='Inbox' data='0' /><node label='Outbox' data='1' /></node><node label='2nd Local Folders'><node label='Inbox' data='0' /><node label='Outbox' data='1' /></node><node label='3rd Local Folders'><node label='Inbox' data='0' /><node label='Outbox' data='1' /></node><node label='4th Local Folders'><node label='Inbox' data='0' /><node label='Outbox' data='1' /></node><node label='5th Local Folders'><node label='Inbox' data='0' /><node label='Outbox' data='1' /></node><node label='6th Local Folders'><node label='Inbox' data='0' /><node label='Outbox' data='1' /></node>");

my_tr.dataProvider = trDP_xml;

var n:Array = new Array();

btn.onRelease = function() {

        ln = my_tr.selectedNode.parentNode.childNodes.length;

        ind = my_tr.getDisplayIndex(my_tr.selectedNode.parentNode);

        for(i=0;i<ln;i++) {

                n[i]=my_tr.selectedNode.parentNode.childNodes[i];

        }

        for(i=0;i<ln;i++) {

                my_tr.getTreeNodeAt(ind).addTreeNode(n[i]);

 

        }

        for(i=0;i<ln;i++) {

                my_tr.removeTreeNodeAt(ind);

        }

 

}