public int GetNextSectorID(int sectorID) { if (sectorID < 0) { throw new ArgumentOutOfRangeException("sectorID"); } int SATSectorIndex = sectorID / SecIDCapacity; int SectorIndex = sectorID % SecIDCapacity; int SATSectorID = Document.MasterSectorAllocation.GetSATSectorID(SATSectorIndex); return(Document.ReadInt32InSector(SATSectorID, SectorIndex * 4)); }