code: public void init(Record record, String mainString, String fieldName, BaseField fldThisFile, String strSecond, String fieldName2, BaseField fldThisFile2, String strThird, String fieldName3, BaseField fldThisFile3)
      {
          super.init(record, fieldName, fldThisFile, fieldName2, fldThisFile2, fieldName3, fldThisFile3);
          m_strFirst = mainString;
          m_strSecond = strSecond;
          m_strThird = strThird;
      }
docs: Constructor.
  @param iFieldSeq The First field sequence of the key.
  @param fldThisFile TODO
  @param strSecond Second string in the key fields.
  @param fldThisFile2 TODO
  @param strThird Third string in the key fields.
  @param fldThisFile3 TODO
  @param strFirst First string in the key fields.
  @param iFieldSeq2 The Second field sequence of the key (-1 for none).
  @param iFieldSeq3 The Third field sequence of the key (-1 for none).