roperties</a></div><div class="toclevel2 current" data-toclevel="2"><a data-tochassubtree="false" href="../html/P_Microsoft_Win32_TaskScheduler_DropDownCheckList_AllowOnlyOneCheckedItem.htm" title="AllowOnlyOneCheckedItem Property" tocid="P_Microsoft_Win32_TaskScheduler_DropDownCheckList_AllowOnlyOneCheckedItem">AllowOnlyOneCheckedItem Property</a></div><div class="toclevel2" data-toclevel="2"><a data-tochassubtree="false" href="../html/P_Microsoft_Win32_TaskScheduler_DropDownCheckList_CheckAllText.htm" tit