Returns Volume Label of a drive, if it has one.
DriveGetLabel ( "path" )
| path | Path of drive to receive information from. | 
| Success: | the Volume Label of the drive as a string. | 
| Failure: | sets the @error flag to 1. | 
DriveGetDrive, DriveGetFileSystem, DriveGetSerial, DriveGetType, DriveSetLabel, DriveSpaceFree, DriveSpaceTotal, DriveStatus
#include <MsgBoxConstants.au3>
Local $sLabel = DriveGetLabel(@HomeDrive & "\") ; Find the volume label of the home drive, generally this is the C:\ drive.
MsgBox($MB_SYSTEMMODAL, "", "Volume Label: " & $sLabel)