Control Height and Business Hours (HeightSpec)
HeightSpec property specifies how the control height will be determined.
Demo
HeightSpec="BusinessHours" (Default)

- Height: Calculated automatically to show the business hours range defined using BusinessBeginsHour and BusinessEndsHour.
- Business hours: visible
- Scrollbar: visible
HeightSpec="BusinessHoursNoScroll"

- Height: Calculated automatically to show the business hours range defined using BusinessBeginsHour and BusinessEndsHour.
- Business hours: hidden
- Scrollbar: hidden
HeighSpec="Fixed"

- Height: Specified in Height property (pixels).
- Business hours: visible
- Scrollbar: visible
HeightSpec="Full"

Height: Calculated automatically to show all 24 hours of a day.
Business hours: visible
Scrollbar: hidden