public Types.ScanInfo LocScan(string locNo) { if (string.IsNullOrEmpty(locNo)) { return(Types.ScanInfo.ScanError); } Types.ScanInfo sInfo = CurrentDisk.PutAway(locNo); if (sInfo == Types.ScanInfo.Successful) { scanedDiskCount++; CheckIsFinish(); } else { this.currentDisk.Sku = null; } return(sInfo); }