Note that setting the SortOrder property to 'None' has the logical effect of removing the item from the collection, i.e., this setting does not cause the order of Tasks to revert to their previous ordinal positions.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2