">FromUserName</a></td><td><div class="summary">
            发送人（在 Request 中为OpenId，在 Response 中为公众号的微信号）
            </div> (继承自 <a href="T_Senparc_NeuChar_Entities_IMessageBase.htm">IMessageBase</a>。)</td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" alt="公共属性" title="公共属性" /></td><td><a href="P_Senparc_NeuChar_Entities_IRequestMessageImage_MediaId.htm">MediaId</a></td><td /></tr><tr data="public;inherited;no