</div><div class="toclevel1 current" data-toclevel="1" data-childrenloaded="true"><a class="tocExpanded" onclick="javascript: Toggle(this);" href="#!" /><a data-tochassubtree="true" href="../html/Methods_T_System_Threading_Tasks_TaskExtension.htm" title="TaskExtension 方法" tocid="Methods_T_System_Threading_Tasks_TaskExtension">TaskExtension 方法</a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="../html/M_System_Threading_Tasks_TaskExtension_CompletedTask.htm" title="