fs=.");</script>String</a><br /></dd><dt><span class="parameter">appkey</span></dt><dd>类型：<a href="https://docs.microsoft.com/dotnet/api/system.string" target="_blank">System<span id="LST2E6FAF2E_2"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST2E6FAF2E_2?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>String</a><br /></dd></dl></div><div class="collapsibleAreaRegion" id="seeAlsoSection"><span class="collapsibleRegionTitle" onclick="SectionExpandCollapse('ID2RB')" onkeypress="SectionExpan