public NonResidentDataBuffer(INtfsContext context, CookedDataRuns cookedRuns, bool isMft) { _context = context; _cookedRuns = cookedRuns; _rawStream = new RawClusterStream(_context, _cookedRuns, isMft); _activeStream = _rawStream; _bytesPerCluster = _context.BiosParameterBlock.BytesPerCluster; _ioBuffer = new byte[_bytesPerCluster]; }