C#使用Directoryinfo类获得目录信息和属性的方法

using System;using System.IO;class MainClass {  static void Main(string[] args) {    FileInfo file = new FileInfo("c://a.txt");    // Display directory information.    DirectoryInfo dir = file.Directory;    Console.WriteLine("Checking directory: " + dir.Name);    Console.WriteLine("In directory: " + dir.Name);    Console.Write("Directory exists: ");    Console.WriteLine(dir.Exists.ToString());    if (dir.Exists) {      Console.Write("Directory created: ");      Console.WriteLine(dir.CreationTime.ToString());      Console.Write("Directory last updated: ");      Console.WriteLine(dir.LastWriteTime.ToString());      Console.Write("Directory last accessed: ");      Console.WriteLine(dir.LastAccessTime.ToString());      Console.Write("Directory attribute list: ");      Console.WriteLine(dir.Attributes.ToString());      Console.WriteLine("Directory contains: " +        dir.GetFiles().Length.ToString() + " files");    }    Console.WriteLine();  }}