This interface represents the WorkingHoursInformation property of a contacts category instance that can be queried into an IUccPresenceCalendarDataInstance interface. A user's working hours can be divided into one or more blocks. A user can work from 9 A.M. to 5 P.M. Mondays to Thursdays and from 7 A.M. to 1 P.M. on Fridays. There will be two working-hours block to describe the user's working-hours.
Windows XP Professional with Service Pack 2 (SP2), Windows Server 2000 with Service Pack 4, Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition