eduler_DropDownCheckList_RequireAtLeastOneCheckedItem">RequireAtLeastOneCheckedItem Property</a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="../html/P_Microsoft_Win32_TaskScheduler_DropDownCheckList_SelectedItems.htm" title="SelectedItems Property" tocid="P_Microsoft_Win32_TaskScheduler_DropDownCheckList_SelectedItems">SelectedItems Property</a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="../html/P_Microsoft_Win32_TaskScheduler_Drop