Get Drive Format in CSharp

using System;/*from   w  ww  .  j a  va2 s.  co m*/
using System.IO;

class MainClass {
    static void Main(string[] args) {
        FileInfo file = new FileInfo("c:\\a.txt");
        DriveInfo drv = new DriveInfo(file.FullName);

        Console.Write("Drive: ");
        Console.WriteLine(drv.Name);

        if (drv.IsReady) {
            Console.WriteLine(drv.DriveFormat.ToString());
        }
    }
}