protected ABRecordCollection(string fileName,
FixedLengthField <string> transactionCodeField,
FixedLengthField <string> recordIndicatorField,
FixedLengthField <int> sequenceNumberField,
FixedLengthCustomDateField headerDate)
{
m_transactionCode = transactionCodeField;
m_recordIndicator = recordIndicatorField;
m_sequenceNumber = sequenceNumberField;
m_headerDate = headerDate;
m_reader = new StreamReader(fileName);
m_records = FillRecords(m_reader);
}