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();
  }
}