lass="paramtype">string&#160;</td>
          <td class="paramname"><em>propertyName</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>A method used in notifying that a property's value has changed. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">propertyName</td><td>The name of the property that changed value.</td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<h2 class="groupheader">Property Documentatio