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Gets or sets the bool value indicating if the recurrence pattern is endless. The default value is True.
public bool NoEndDate { get; set; }
This property must be coordinated with other properties when setting up a recurrence pattern. If the PatternEndDate property or the Occurrences property is set, the pattern is considered to be finite and the NoEndDate property is false. If neither PatternEndDate nor Occurrences is set, the pattern is considered infinite and NoEndDate is true.