遍历文件夹的方法

 DirectoryInfo theFolder = new DirectoryInfo(@"E:\工作\Work");//文件的操作类

            FileInfo[] fileRootInfo = theFolder.GetFiles();//返回当前根目录的文件
            foreach (FileInfo NextFile in fileRootInfo) 
            {
                this.listBox1.Items.Add(NextFile.Name);//遍历文件
            }  
               
            DirectoryInfo[] dirInfo = theFolder.GetDirectories();//返回当前文件子目录
            //遍历文件夹
            foreach (DirectoryInfo NextFolder in dirInfo)
            {
               // this.listBox2.Items.Add(NextFolder.Name);
                FileInfo[] fileInfo = NextFolder.GetFiles();//返回当前文件子目录的文件
                foreach (FileInfo NextFile in fileInfo)  //遍历文件
                    this.listBox2.Items.Add(NextFile.FullName);
                
            }

  public ArrayList al = new ArrayList();
        //我把ArrayList当成动态数组用
        public void GetAllDirList(string strBaseDir)
        {
            DirectoryInfo di = new DirectoryInfo(strBaseDir);
            DirectoryInfo[] diA = di.GetDirectories();
            for (int i = 0; i < diA.Length; i++)
            {
                al.Add(diA[i].FullName);
                //diA[i].FullName是某个子目录的绝对地址，把它记录在ArrayList中
                GetAllDirList(diA[i].FullName);
                //注意：递归了。逻辑思维正常的人应该能反应过来
            }

            for (int i = 0; i < al.Count; i++)
            {
                this.listBox1.Items.Add(al[i].ToString() + " ");
                //textBox1是容器，拷贝我的代码，注意要换一个你自己的容器
            }
        }