I found a (possible) bug with the "Snap appointments" property in the schedule view. When you set the ScheduleView to show more than one day and you enable "Snap appointments", then on the second day shown you are not able to move the appointments back and forth.
You can reproduce the problem in your demos:
Follow these steps:
- set "Day start time" at 10.00 and "Day end time" at 05.00;
- enable "Snap appointments"
- (I use horizontal orientation, but it happens also with vertical orientation)
Then move one appointment COMPLETELY after midnight. You will see that the appointment "shadow" disappears, and if you release the mouse the appointment will be lost.