docs: public KeyAreaInfo getKeyArea(int iKeySeq)
      {
          if (iKeySeq == -1)
              iKeySeq = this.getDefaultOrder();
          else
              iKeySeq -= Constants.MAIN_KEY_AREA;
          try   {
              if (m_vKeyAreaList != null)
                  if ((iKeySeq >= 0) && (iKeySeq < m_vKeyAreaList.size()))
                      return (KeyAreaInfo)m_vKeyAreaList.elementAt(iKeySeq);
          } catch (java.lang.ArrayIndexOutOfBoundsException e)    {
          }
          return null;    // Not found
      }