</span><script type="text/javascript">AddLanguageSpecificTextSet("LST164057A3_5?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>String</a><br /></dd><dt><span class="parameter">action</span> (Optional)</dt><dd>类型：<a href="https://docs.microsoft.com/dotnet/api/system.action-1" target="_blank">System<span id="LST164057A3_6"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST164057A3_6?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>Action</a><span id="LST164057A3_7"></span><script type="text/javascript">A