docs: public void setEnabled(boolean bEnable)
      {
          super.setEnabled(bEnable);
          if (m_recordReference != null)
          {
              Record recReference = this.getReferenceRecord();
              for (int iIndex = 0 + 1; iIndex < recReference.getKeyAreaCount(); iIndex++)
              {
                  KeyArea keyArea = recReference.getKeyArea(iIndex);
                  BaseField fieldKey = keyArea.getField(DBConstants.MAIN_KEY_FIELD);
                  if (fieldKey.getListener(MainReadOnlyHandler.class.getName()) != null)
                      fieldKey.setEnabled(bEnable);
              }
          }
      }