创建xml文件与特定的元素和标签从树c＃

Question

我有一个树在我的C＃窗口应用程序，从XML文件加载。 我查了一些节点树，然后我想在XML文件中创建和保存XML文件检查树节点

的样本数据

选择的节点必须在XML文件中保存的所有元素和属性。 感谢

<menu> 
<item id="43BDF924-5E" text="System Management" system="010"> 
<item id="36A21901-45" text="Basic Information"> 
<item id="7FA03116-0F" text="Info"> 
<item id="74713E10-FF" code="AGM-D-1240-01" text="Persons"></item> 
<item id="5373F379-E8" code="AGM-D-1260-01" text="Stock"></item> 
</item> 
</item> 
<item id="36A21901-45" text="Google"> 
<item id="7FA03116-0F" text="sites"> 
<item id="74876E10-FF" code="MM-D-1240-01" text="Serch"></item> 
<item id="0981F379-E8" code="MM-D-1260-01" text="Gmail"></item> 
</item> 
</item> 
</item> 
</menu> 

Answer 1

使用XML LINQ

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Linq; 
using System.Text; 
using System.Windows.Forms; 
using System.Xml; 
using System.Xml.Linq; 
using System.Text.RegularExpressions; 

namespace WindowsFormsApplication1 
{ 
    public partial class Form1 : Form 
    { 
     public Form1() 
     { 
      InitializeComponent(); 

      treeView1.Nodes.AddRange(new TreeNode[] { 
       new TreeNode(
        "id=\"43BDF924-5E\" text=\"System Management\" system=\"010\"", 
        new TreeNode[] { 
         new TreeNode(
          "id=\"36A21901-45\" text=\"Basic Information\"", 
          new TreeNode[] { 
           new TreeNode(
            "id=\"7FA03116-0F\" text=\"Info\"", 
            new TreeNode[] { 
             new TreeNode(
              "id=\"74713E10-FF\" code=\"AGM-D-1240-01\" text=\"Persons\"" 
             ), 
             new TreeNode(
              "id=\"5373F379-E8\" code=\"AGM-D-1260-01\" text=\"Stock\"" 
             ) 
            }) 
          }) 
        }), 
       new TreeNode(
        "id=\"36A21901-45\" text=\"Google\"", 
        new TreeNode[] { 
         new TreeNode(
          "id=\"7FA03116-0F\" text=\"sites\"", 
          new TreeNode[] { 
           new TreeNode(
            "id=\"74876E10-FF\" code=\"MM-D-1240-01\" text=\"Serch\"" 
           ), 
           new TreeNode(
            "id=\"0981F379-E8\" code=\"MM-D-1260-01\" text=\"Gmail\"" 
            ) 
         }) 
         }) 
      }); 
      treeView1.ExpandAll(); 

      XElement menu = new XElement("menu"); 
      foreach (TreeNode node in treeView1.Nodes) 
      { 
       XElement newChild = new XElement("item"); 
       menu.Add(newChild); 
       CreateXmlElement(newChild, node); 
      } 
     } 
     public void CreateXmlElement(XElement parentElement, TreeNode parentNode) 
     { 
      string pattern = "(?'name'\\w+)=\"(?'value'[^\"]+)"; 
      MatchCollection matches = Regex.Matches(parentNode.Text, pattern); 
      foreach (Match match in matches) 
      { 
       parentElement.Add(new XAttribute(match.Groups["name"].Value, match.Groups["value"].Value)); 
      } 


      foreach (TreeNode node in parentNode.Nodes) 
      { 
       XElement newChild = new XElement("item"); 
       parentElement.Add(newChild); 
       CreateXmlElement(newChild, node); 
      } 
     } 
    } 
}