【源码】操作xml Form1

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using Zone;
using System.Runtime.InteropServices;


namespace 操作xml
{
    public partial class Form1 : Form
    {
        private int ListItemIndex = -1;
        [DllImport("user32")]
        private static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);

        public Form1()
        {
            InitializeComponent();
            this.listView1.GridLines = true; //显示表格线
            this.listView1.View = View.Details;//显示表格细节
            this.listView1.LabelEdit = true; //是否可编辑,ListView只可编辑第一列。
            this.listView1.Scrollable = true;//有滚动条
            this.listView1.HeaderStyle = ColumnHeaderStyle.Clickable;//对表头进行设置
            this.listView1.FullRowSelect = true;//是否可以选择行
            

            //this.listView1.HotTracking = true;// 当选择此属性时则HoverSelection自动为true和Activation属性为oneClick
            //this.listView1.HoverSelection = true;
            //this.listView1.Activation = ItemActivation.Standard; //
            //添加表头
            this.listView1.Columns.Add("别名",120);
            this.listView1.Columns.Add("路径",450);

            XmlFasta.CreateXml();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string s1 = textBox1.Text;
            string s2 = textBox2.Text;

            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load("data.xml");

            XmlNode root = xmlDoc.SelectSingleNode("Element");

            XmlElement xe1 = xmlDoc.CreateElement("alias");
            xe1.SetAttribute("alias", s1);
            xe1.SetAttribute("cmd", s2);

            root.AppendChild(xe1);
            xmlDoc.Save("data.xml");

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            Loadxml();
            //GetXml();
            LoadListView();
        }


        //**************************修改*****************************
        private void button2_Click(object sender, EventArgs e)
        {
            ListViewItem p = new ListViewItem();
            p = listView1.Items[ListItemIndex];

            string ss1 = p.SubItems[0].Text;
            string ss2 = p.SubItems[1].Text;



            string s1 = textBox1.Text.Trim();
            string s2 = textBox2.Text.Trim();


            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load("data.xml");

            XmlNodeList nodeList = xmlDoc.SelectSingleNode("Element").ChildNodes;

            foreach (XmlNode xn in nodeList)
            {
                XmlElement xe = (XmlElement)xn;
                if (xe.GetAttribute("alias") == ss1 && xe.GetAttribute("cmd") == ss2)
                {
                    xe.SetAttribute("alias", s1);
                    xe.SetAttribute("cmd", s2);                    
                    break;
                }
            }
            textBox1.Text = "";
            textBox2.Text = "";

            xmlDoc.Save("data.xml");
            LoadListView(ListItemIndex);
            //SendMessage(listView1.Handle, 500, 200, 200);
        }

        void Loadxml()
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load("data.xml");


            XmlNode xn = xmlDoc.SelectSingleNode("Element");

            XmlNodeList xnl = xn.ChildNodes;

            foreach (XmlNode xnf in xnl)
            {
                XmlElement xe = (XmlElement)xnf;
                //Console.WriteLine(xe.GetAttribute("alias"));//显示属性值
                //Console.WriteLine(xe.GetAttribute("cmd"));

                XmlNodeList xnf1 = xe.ChildNodes;
                foreach (XmlNode xn2 in xnf1)
                {
                    //Console.WriteLine(xn2.InnerText);//显示子节点点文本
                }
            }
        }        
        void LoadListView()
        {
            LoadListView(0);
        }
        void LoadListView(int i)
        {
            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load("data.xml");


            XmlNode xn = xmlDoc.SelectSingleNode("Element");

            XmlNodeList xnl = xn.ChildNodes;

            ListViewItem p = new ListViewItem();
            listView1.Items.Clear();
            foreach (XmlNode xnf in xnl)
            {
                XmlElement xe = (XmlElement)xnf;
                p = new ListViewItem(new string[] { xe.GetAttribute("alias"), xe.GetAttribute("cmd") });
                this.listView1.Items.Add(p);
            }
            try
            {
                listView1.Items[i].Selected = true;
                listView1.Items[i].EnsureVisible();
            }
            catch 
            {                
                i = i - 1;
                listView1.Items[i].Selected = true;
                listView1.Items[i].EnsureVisible();
            }
        }


        private void toolStripMenuItem1_Click(object sender, EventArgs e)
        {
            ListViewItem p = new ListViewItem();
            p = listView1.Items[ListItemIndex];
            textBox1.Text = p.SubItems[0].Text;
            textBox2.Text = p.SubItems[1].Text;
            
        }





       
        //***************删除********************************************
        private void toolStripMenuItem2_Click(object sender, EventArgs e)
        {
            ListViewItem p = new ListViewItem();
            p = listView1.Items[ListItemIndex];

            string s1 = p.SubItems[0].Text;
            string s2 = p.SubItems[1].Text;


            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.Load("data.xml");

            XmlNodeList xnl = xmlDoc.SelectSingleNode("Element").ChildNodes;

            foreach (XmlNode xn in xnl)
            {
                XmlElement xe = (XmlElement)xn;
                if (xe.GetAttribute("alias") == s1 && xe.GetAttribute("cmd") ==s2)
                {
                    xe.ParentNode.RemoveChild(xe);
                    break;
                }
            }
            xmlDoc.Save("data.xml");
            LoadListView(ListItemIndex);
            //SendMessage(listView1.Handle, 500, 200, 200);
        }

        private void listView1_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < listView1.Items.Count; i++)
            {
                if (listView1.Items[i].Selected)
                {
                    ListItemIndex = i;
                }
            }
        }
    }
}