public FtrHeader(RecordInputStream in) {recordType = in.readShort();grbitFrt   = in.readShort();associatedRange = new CellRangeAddress(in);}
public FtrHeader(RecordInputStream in1){recordType = in1.ReadShort();grbitFrt = in1.ReadShort();reserved = new byte[8];in1.Read(reserved, 0, 8);}