Get or sets the WeekOfMonthEnum value specifying the count for which the recurrence pattern is valid for a given interval. This property is only valid for recurrences of the RecurrenceTypeEnum.MonthlyNth and RecurrenceTypeEnum.YearlyNth types and allows the definition of a recurrence pattern that is only valid for the Nth occurrence, such as "the 2nd Sunday in March" pattern. The default value is WeekOfMonthEnum.First.

'宣言
 
Public Property Instance As WeekOfMonthEnum

public WeekOfMonthEnum Instance {get; set;}