C#简单创建和删除目录的方法

using System;
using System.IO;
class DirectoryCreation
{
  public static void Main()
  {
   string directoryString = 
     Directory.GetCurrentDirectory() +
     @"\TestDir";
   Directory.CreateDirectory (directoryString);
   Console.WriteLine ("Created: {0}", directoryString);
   Directory.Delete (directoryString);
   Console.WriteLine ("Deleted: {0}", directoryString);
  }
}