By default, preference is given to the AllDayEventArea when the determining the number of time slots that will be displayed. The height of the AllDayEventArea is dependant upon the number of Holiday and multi-day Appointment objects displayed in the VisibleDays. When there isn't enough room to display all the activities in the AllDayEventArea, no time slots are displayed. The MinimumVisibleTimeSlots can be used to ensure that a specific number of time slots are displayed when possible.
Note: Since some area must be left for the AllDayEventArea, it is possible that less time slots than the MinimumVisibleTimeSlots will be shown depending upon the height of the UltraDayView.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2