Void MyExpandfn (Object Sender, TreeViewClickeventargs E) {
Mylabel.innertext = "Expanded (Node Index =" E.Node.toTString () ")"
}
Void mycollapsefn (Object sender, TreeViewClickeventargs e) {
Mylabel.innertext = "collapsed (node index =" e.node.tostring () ")"
}
Void MySelectChangefn (Object Sender, TreeViewSelectEventArgs E) {
YLabel.innertext = "SELECTED" E.NEWNODE.TOSTRING ()
"(Old Node INDEX =" E.OldNode.toString () ")";
}