C#监控文件（创建、修改、删除、重命名）

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;namespace 文件监控filesystemwatch{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();            this.Load+=new EventHandler(Form1_Load);            this.button1.Click+=new EventHandler(button1_Click);            this.button2.Click+=new EventHandler(button2_Click);            this.fileSystemWatcher1.Created+=new System.IO.FileSystemEventHandler(fileSystemWatcher1_Created);            this.fileSystemWatcher1.Changed+=new System.IO.FileSystemEventHandler(fileSystemWatcher1_Changed);            this.fileSystemWatcher1.Deleted+=new System.IO.FileSystemEventHandler(fileSystemWatcher1_Deleted);            this.fileSystemWatcher1.Renamed+=new System.IO.RenamedEventHandler(fileSystemWatcher1_Renamed);        }        private void Form1_Load(object sender, EventArgs e)        {        }        private void button1_Click(object sender, EventArgs e)        {            FolderBrowserDialog fbd = new FolderBrowserDialog();            if (fbd.ShowDialog() == DialogResult.OK)            {                if (fbd.SelectedPath != "")                {                    textBox1.Text = fbd.SelectedPath;                }            }        }        private void button2_Click(object sender, EventArgs e)        {            if (textBox1.Text.Trim() == "")            {                MessageBox.Show("请选择要监控的目录");                return;            }            fileSystemWatcher1.Filter = "*.*";            fileSystemWatcher1.Path = @textBox1.Text.Trim();            fileSystemWatcher1.IncludeSubdirectories = true;                        fileSystemWatcher1.EndInit();            ((Button)sender).Enabled = false;        }        private void fileSystemWatcher1_Created(object sender, System.IO.FileSystemEventArgs e)        {            textBox2.AppendText("文件:"+e.FullPath+string.Format(" {0:yyyy-MM-dd HH:mm:ss}",DateTime.Now)+"被创建;\r\n");        }        private void fileSystemWatcher1_Changed(object sender, System.IO.FileSystemEventArgs e)        {            textBox2.AppendText("文件:" + e.FullPath + string.Format(" {0:yyyy-MM-dd HH:mm:ss}", DateTime.Now) + "被修改;\r\n");        }        private void fileSystemWatcher1_Deleted(object sender, System.IO.FileSystemEventArgs e)        {            textBox2.AppendText("文件:" + e.FullPath + string.Format(" {0:yyyy-MM-dd HH:mm:ss}", DateTime.Now) + "被删除;\r\n");        }        private void fileSystemWatcher1_Renamed(object sender,System.IO.RenamedEventArgs e)        {            textBox2.AppendText("文件:" + e.OldFullPath + string.Format(" {0:yyyy-MM-dd HH:mm:ss}", DateTime.Now)+" 改名为："+e.FullPath + ";\r\n");        }    }}