public override void Encode()
{
encodeBuf.Clear();
base.Decode();
encodeBuf.AddRange(AddString(TxnType, 2));
encodeBuf.AddRange(AddString(DeviceId, 8));
encodeBuf.AddRange(AddString(OperatorId, 6));
encodeBuf.AddRange(AddString(ShiftId.PadLeft(10, '0'), 10));
encodeBuf.AddRange(AddString(SerialNumber.PadLeft(4, '0'), 4));
encodeBuf.AddRange(AddString(TxnTime, 14));
encodeBuf.AddRange(AddString(StationId, 4));
encodeBuf.AddRange(AddString(DestinationStationId, 4));
encodeBuf.AddRange(AddString(ReportDate, 8));
encodeBuf.AddRange(AddString(TicketMainType, 2));
encodeBuf.AddRange(AddString(TicketSubType, 2));
encodeBuf.AddRange(AddString(UnitPrice.PadLeft(16, '0'), 16));
encodeBuf.AddRange(AddString(TotalAmount.PadLeft(4, '0'), 4));
encodeBuf.AddRange(AddString(TxTotalAmt.PadLeft(16, '0'), 16));
encodeBuf.AddRange(AddString(ManualId, 10));
encodeBuf.AddRange(AddString(Spare.PadLeft(4, '0'), 4));
}