C#文件目录操作

using System;
using System.IO;

namespace huangyibiao
{
    class Program
    {
        public static void DisplayDirectorys(DirectoryInfo dirInfo)
        {
            Console.WriteLine(dirInfo.FullName);

            DirectoryInfo[] directorys = dirInfo.GetDirectories();
            foreach (var dir in directorys)
            {
                //递归找出所有目录
                DisplayDirectorys(dir);
            }
        }

        static void Main(string[] args)
        {
            DirectoryInfo dirInfo = new DirectoryInfo("D:\\YY");
            if (dirInfo.Exists)
            {
                DisplayDirectorys(dirInfo);
            }
            else
            {
                Console.WriteLine("访问的根目录不存在!");
            }
            Console.Read();
        }
    }
}