The NtmsBarCodeState enumeration defines the state of a bar code.

 enum NtmsBarCodeState
 {
   NTMS_BARCODESTATE_OK = 1,
   NTMS_BARCODESTATE_UNREADABLE = 2
 };

NTMS_BARCODESTATE_OK:  The medium has a readable bar code.

NTMS_BARCODESTATE_UNREADABLE:  The medium either does not have a bar code, or the bar code is unreadable.