using System;  using System.Management;      class NetworkSpace  {    static void Main(string[] args)    {      SelectQuery query = new SelectQuery(          "select name, FreeSpace from win32_logicaldisk where drivetype=4");      ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);          foreach (ManagementObject mo in searcher.Get())      {        Console.WriteLine("Drive letter is: {0}", mo["name"]);        Console.WriteLine("Drive's free space is: {0}", mo["FreeSpace"]);      }          // Here to stop app from closing      Console.WriteLine("\nPress Return to exit.");      Console.Read();    }  }