xml-treeview转换

XML——>treeciew

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Xml;


namespace TreeExXML
{
    class TreeExXMLCls
    {
        private TreeView thetreeview;
        private string xmlfilepath;
        XmlDocument textdoc;

        public TreeExXMLCls()
        {
            //----构造函数
            textdoc = new XmlDocument();

        }

        ~TreeExXMLCls()
        {
            //----析构函数

        }

        #region 遍历XML并实现向tree的转化
        /// <summary>   
        /// 遍历treeview并实现向XML的转化
        /// </summary>   
        /// <param name="XMLFilePath">XML输出路径</param>   
        /// <param name="TheTreeView">树控件对象</param>   
        /// <returns>0表示函数顺利执行</returns>   

        public int XMLToTree(string XMLFilePath, TreeView TheTreeView)
        {
            //-------重新初始化转换环境变量
            thetreeview = TheTreeView;
            xmlfilepath = XMLFilePath;

            //-------重新对XMLDocument对象赋值
            textdoc.Load(xmlfilepath);

            XmlNode root = textdoc.SelectSingleNode("Sinumerik");

            TreeNode bootTreeNode = new TreeNode();
            bootTreeNode.Text = "Sinumerik";
            thetreeview.Nodes.Add(bootTreeNode);

            foreach (XmlNode subXmlnod in root.ChildNodes)
            {
                //TreeNode trerotnod = new TreeNode();
                TreeNode treeNode = new TreeNode();

                XmlElement element = (XmlElement)subXmlnod;
                treeNode.Text = element .GetAttribute ("Title");
                treeNode.ToolTipText = element.GetAttribute("Description");

                bootTreeNode.Nodes.Add(treeNode );

                //xml三层结构---从外到内
                TransXML(subXmlnod.ChildNodes, treeNode);

            }

            return 0;
        }

        private int TransXML(XmlNodeList Xmlnodes, TreeNode partrenod)
        {
            //------遍历XML中的所有节点，仿照treeview节点遍历函数
            foreach (XmlNode xmlnod in Xmlnodes)
            {
                TreeNode subtreeNode = new TreeNode();

                XmlElement element = (XmlElement)xmlnod ;
                subtreeNode.Text = element.GetAttribute("Title");
                subtreeNode.ToolTipText = element.GetAttribute("Description");
                subtreeNode.Tag = element.GetAttribute("nodeClass");

                partrenod.Nodes.Add(subtreeNode);

                if (xmlnod.ChildNodes.Count > 0)
                {
                    TransXML(xmlnod.ChildNodes, subtreeNode);
                }
            }

            return 0;

        }


        #endregion


    }
}