The pattern appointment's AppointmentItem.RecurrenceInfo property provides data about the periodicity of occurrences generated by the pattern. The property returns instances of classes that implement the IRecurrenceInfo interface. Generally it is RecurrenceInfo objects.
A scheduler view uses this information to generate occurrence appointments, and the OccurrenceCalculator can compute parameters of occurrences with this information.
All recurrence info properties are split into two groups:
Properties that manage how long occurrences appear.
The Range property manages which properties from this group the calculator uses to generate occurrences: