Get total size for a Drive in CSharp

using System;//from  w w w. ja  v a2s. c  o m
using System.IO;

class Test
{
    public static void Main()
    {
        DriveInfo[] allDrives = DriveInfo.GetDrives();

        foreach (DriveInfo d in allDrives)
        {
            Console.WriteLine("Drive {0}", d.Name);
            Console.WriteLine("  File type: {0}", d.DriveType);
            if (d.IsReady == true)
            {
                Console.WriteLine("  Volume label: {0}", d.VolumeLabel);
                Console.WriteLine("  File system: {0}", d.DriveFormat);
                Console.WriteLine("  Total available space:          {0, 15} bytes",d.TotalFreeSpace);
                Console.WriteLine("  Total size of drive:            {0, 15} bytes ",d.TotalSize);
            }
        }
    }
}