<?xml version="1.0" encoding="utf-8"?>
<UIList>
  <column>
   <colname>
    <colvalue>55</colvalue>
   </colname>
<colname>
    <colvalue>85</colvalue>
   </colname>
  </column>
<row>
   <rowvalue>
    <columnvalue>1</columnvalue>
    <columnvalue>9</columnvalue>
    </rowvalue>
   <rowvalue>
    <columnvalue>2</columnvalue>
    <columnvalue>9</columnvalue>
   </rowvalue>
</row>
</UIList>

private void Form1_Load(object sender, EventArgs e)
    {

      //ListView
      listView1.View = View.Details;
      //XML
      //加载xml文件
      XmlDocument doc = new XmlDocument();
      doc.Load("UIConfig.xml");  //加载Xml文件 
      XmlElement rootElem = doc.DocumentElement;  //获取根节点
      XmlNodeList ColumnpersonNodes = rootElem.GetElementsByTagName("colname"); //获取列节点数组
      foreach (XmlNode node in ColumnpersonNodes)
      {
        //将列数据写入到ListView中
        XmlNodeList subNodes = ((XmlElement)node).GetElementsByTagName("colvalue"); 
        foreach (XmlNode subNode in subNodes)
        {
          //将行数据写入到ListView中
          string strWidth = subNode.InnerText;
          int Width = Convert.ToInt32(strWidth);
          listView1.Columns.Add(strWidth, Width, HorizontalAlignment.Center);

        }
      }

      XmlNodeList RowpersonNodes = rootElem.GetElementsByTagName("rowvalue"); //获取行节点数组 
      foreach (XmlNode node in RowpersonNodes)
      {
        ListViewItem lvi = new ListViewItem();//开辟行数据空间
        XmlNodeList subNodes = ((XmlElement)node).GetElementsByTagName("columnvalue"); 
        lvi.SubItems[0].Text = subNodes[0].InnerText;//将第一个值给行头

        int Count = subNodes.Count;
        for (int i = 1; i < Count; i++)//遍历第一个值之外的值
        {
          //将行数据写入到ListView中
          string str = subNodes[i].InnerText;
          lvi.SubItems.Add(str);
        }
        listView1.Items.Add(lvi);
      }
    }

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
    {
      XmlDocument doc = new XmlDocument();
      doc.Load("UIConfig.xml");  //加载Xml文件 
      //得到listview现有的列尺寸
      XmlElement rootElem = doc.DocumentElement;  //获取根节点
      XmlNodeList ColumnpersonNodes = rootElem.GetElementsByTagName("colvalue"); //获取person子节点集合 
      for(int i = 0; i < this.listView1.Columns.Count; i++)
      {
         //将现有的列尺寸写入xml文件
        int colWidth = this.listView1.Columns[i].Width;//每一列的实际宽度
         //将列数据写入到ListView中
        ColumnpersonNodes[i].InnerText = colWidth.ToString();
        doc.Save("UIConfig.xml"); 
      }    
    }