public void UpdateDrives()
        {
            StamperLiveData.ObservedDriveState.Clear();

            var drives = DriveHelper.FindDrives(StamperLiveData.Project);

            foreach (var drive in drives)
            {
                bool done  = Stamper.CheckDrive(drive, StamperLiveData.Project);
                bool space = Stamper.DriveHasSpace(drive, StamperLiveData.Project);

                eDriveState state = done ? eDriveState.Stamped : (space ? eDriveState.Ready : eDriveState.NoSpace);

                StamperLiveData.ObservedDriveState.Add(drive, state);
            }

            StamperLiveData.SendDrivesUpdate();
        }