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}
}