public CalendarBlackoutDatesCollection BlackoutDates { get; }Public ReadOnly Property BlackoutDates As CalendarBlackoutDatesCollection
Getmember BlackoutDates : CalendarBlackoutDatesCollection with getDates in this collection will appear as disabled on the calendar.
To make all past dates not selectable, you can use the AddDatesInPast method provided by the collection returned by this property.
| ArgumentOutOfRangeException | Adding a date to this collection when it is already selected or adding a date outside the range specified by DisplayDateStart and DisplayDateEnd. |