Gets or sets BYSETPOS parameter.
Specifies list of values which corresponds to the nth occurrence within the set of events specified by the rule.
Valid values are 1 to 366 or -366 to -1. It MUST only be used in conjunction with another BYxxx rule part.
For example "the last work day of the month" could be represented as:
RRULE:FREQ=MONTHLY;BYDAY=MO,TU,WE,TH,FR;BYSETPOS=-1
Namespace: Limilabs.Mail.AppointmentsAssembly: Mail (in Mail.dll) Version: 3.0.12102.1426