C#

<br />
// include these namespaces:<br />
using System.Management.Instrumentation;<br />
using System.Management;<br />
<br />
// Get the management class holding Logical Drive information<br />
ManagementClass mcDriveClass = new ManagementClass("Win32_LogicalDisk");<br />
// Enumerate all logical drives available<br />
ManagementObjectCollection mocDrives = mcDriveClass.GetInstances();<br />
foreach(ManagementObject moDrive in mocDrives)<br />
{<br />
  // DriveType = 3 (local logical drives) DriveType = 4 (network drives)<br />
 /*<br />
 Other values of DriveType property:<br />
 0 Unknown <br />
 1 No Root Directory <br />
 2 Removable Disk <br />
 3 Local Disk <br />
 4 Network Drive <br />
 5 Compact Disc <br />
 6 RAM Disk <br />
 */<br />
 if (int.Parse(moDrive.Properties["DriveType"].Value.ToString()) == 3 || int.Parse(moDrive.Properties["DriveType"].Value.ToString()) == 4)<br />
{<br />
 // sDeviceId will hold the drive name eg "C:"<br />
 String sDeviceId = moDrive.Properties["DeviceId"].Value.ToString();<br />
 // dSize and dFree will hold the size of the drive and free space in bytes<br />
 long dSize = long.Parse(moDrive.Properties["Size"].Value.ToString());<br />
 long dFree = long.Parse(moDrive.Properties["FreeSpace"].Value.ToString());<br />
}<br />
}<br />
mocDrives.Dispose();<br />
mcDriveClass.Dispose();<br />