tNetfw;">
                      <td>
                        <img src="../icons/pubmethod.gif" alt="Public method" title="Public method" />
                      </td>
                      <td>
                        <a href="2038399343.htm">Init</a>
                      </td>
                      <td>
                        <div class="summary">
   初始化扩展字段
   </div>
                      </td>
                    </tr>
                  </table>
                </div>
                <di