如果你想把XML绑定到treeview中的话,
private void bindtreeview(string power)
{
            XmlDocument thedoc = new XmlDocument();
            thedoc.Load(“路径");            tvmenu.BeginUpdate();
            tvmenu.Nodes.Clear();            tvmenu.Nodes.Add(new TreeNode(thedoc.ChildNodes[1].Name));
            for (int i = 0; i < thedoc.ChildNodes[1].ChildNodes.Count; i++)
            {
                TreeNode parenttn = new TreeNode();
                parenttn.Text = thedoc.ChildNodes[1].ChildNodes[i].Name;                parenttn.Tag = thedoc.ChildNodes[1].ChildNodes[i].Attributes["tag"].Value; 
                tvmenu.Nodes[0].Nodes.Add(parenttn);
}            Cursor.Current = Cursors.Default;
            tvmenu.EndUpdate();
        }