docs: public void addKeyField(KeyField keyField)
      { // Get the field with this seq
          m_vKeyFieldList.addElement(keyField);           // Set this key field
          if (m_strKeyName == null)
              m_strKeyName = keyField.getField(DBConstants.FILE_KEY_AREA).getFieldName(false, false);   //x + "Key";  // Default key name
      }