C# 监听文件夹

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.IO;
using System.Diagnostics;
using System.Xml;

namespace ListenTest
{
    public partial class Form1 : Form
    {
        static FileSystemWatcher watcher = new FileSystemWatcher();
        public Form1()
        {
            InitializeComponent();

           // string StrPath = ReadrXML("watchdirectory", "savedirectory"); 
            WatcherStrat("E:\\test", "*.xml", true, true);
        }
        /// <summary>        
        /// 初始化监听        
        /// </summary>        
        /// <param name="StrWarcherPath">需要监听的目录</param>        
        /// <param name="FilterType">需要监听的文件类型(筛选器字符串)</param>        
        /// <param name="IsEnableRaising">是否启用监听</param>        
        /// <param name="IsInclude">是否监听子目录</param>         
        private static void WatcherStrat(string StrWarcherPath, string FilterType, bool IsEnableRaising, bool IsInclude)        
        {            
            //初始化监听            
            watcher.BeginInit();            
            //设置监听文件类型            
            watcher.Filter = FilterType;            
            //设置是否监听子目录            
            watcher.IncludeSubdirectories = IsInclude;            
            //设置是否启用监听?            
            watcher.EnableRaisingEvents = IsEnableRaising;            
            //设置需要监听的更改类型(如:文件或者文件夹的属性,文件或者文件夹的创建时间;NotifyFilters枚举的内容)           
            watcher.NotifyFilter = NotifyFilters.Attributes | NotifyFilters.CreationTime | NotifyFilters.DirectoryName | NotifyFilters.FileName | NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.Security | NotifyFilters.Size;            
            //设置监听的路径            
            watcher.Path = StrWarcherPath;           
            //注册创建文件或目录时的监听事件            
            watcher.Created += new FileSystemEventHandler(watch_created);            
            //注册当指定目录的文件或者目录发生改变的时候的监听事件   
            watcher.Changed += new FileSystemEventHandler(watch_changed);            
            //注册当删除目录的文件或者目录的时候的监听事件            
            watcher.Deleted += new FileSystemEventHandler(watch_deleted);            
            //当指定目录的文件或者目录发生重命名的时候的监听事件            
            watcher.Renamed += new RenamedEventHandler(watch_renamed);           
            //结束初始化            
            watcher.EndInit();        
        }       
        
        /// <summary>        
        /// 创建文件或者目录时的监听事件       
        /// </summary>       
        /// <param name="sender"></param>        
        /// <param name="e"></param>        
        private static void watch_created(object sender, FileSystemEventArgs e)  
           {            
            //事件内容
               
          
           }        
        /// <summary>        
        /// 当指定目录的文件或者目录发生改变的时候的监听事件       
        /// </summary>        
        /// <param name="sender"></param>        
        /// <param name="e"></param>        
        private static void watch_changed(object sender, FileSystemEventArgs e)   
        {            
            //事件内容     
            
        }       
        /// <summary>        
        /// 当删除目录的文件或者目录的时候的监听事件        
        /// </summary>        
        /// <param name="sender"></param>              
        /// <param name="e"></param>       
           private static void watch_deleted(object sender, FileSystemEventArgs e)
           {           
               //事件内容 
               
           }        
        /// <summary>        
        /// 当指定目录的文件或者目录发生重命名的时候的事件       
        /// </summary>       
        /// <param name="sender"></param>        
        /// <param name="e"></param>        
        private static void watch_renamed(object sender, RenamedEventArgs e)
        {           
            //事件内容       
            
        }        
        /// <summary>        
        /// 启动或者停止监听        
        /// </summary>        
        /// <param name="IsEnableRaising">True:启用监听,False:关闭监听</param>        
        private void WatchStartOrSopt(bool IsEnableRaising)
        {            
            watcher.EnableRaisingEvents = IsEnableRaising;        
        }              
        /// <summary>        
        /// 读取配置文档        
        /// </summary>        
        /// <param name="StrNode">节点名字</param>        
        /// <param name="StrAttribute">属性键</param>        
        /// <returns>属性值</returns>        
        private string ReadrXML(string StrNode,string StrAttribute)
        {            
            string returnValue = "";            
            XmlDocument xmldoc = new XmlDocument();            
            string StrPath = AppDomain.CurrentDomain.BaseDirectory;            
            xmldoc.Load(StrPath + "xml/Config.xml");            
            XmlNodeList nodeList = xmldoc.ChildNodes;            
            foreach (XmlNode item in nodeList)            
            {               
                if (item.Name.Trim().Equals("swfconvert"))  
                {                    
                    nodeList = item.ChildNodes;                   
                    foreach (XmlNode nodeitem in nodeList)     
                    {                        
                        if (nodeitem.Name == StrNode)   
                        {                          
                            returnValue = nodeitem[StrAttribute].Value;  
                            return returnValue;
                        } 
                    }
                }            
            } 
            return null;        
        }    
    
    }
}



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