Identifies the instance of the occurrence within the set of occurrences within the period specified by the
DateRecurrence.Frequency and and
DateRecurrence.Interval properties that are generated by all the recurrence rules of the
DateRecurrence that are not SubsetRecurrenceRule's. Valid values are 1 to 366 and -366 to -1 where negative values indicate nth to the last.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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