Identifies the instance of the occurrence within the set of occurrences within the period specified by the
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: Android 4.4+, iOS 8+
Development Environments: Visual Studio 2015+, Visual Studio for Mac Preview, Xamarin for Visual Studio 4.2+