You debugging or trying to investigate our code might be quite difficult operation, as it is a lot and I guess you will need a lot of time and effort. The best practice in this case is to isolate the problem in a sample project and send it to us. We will review it and debug it here locally.
Since, you are not able to do this, I can only suggest you some things that you can look through again:
- what type does your CustomAppointment inherit
- look for something in the custom EditAppointmentTemplate and its ViewModel, there might be something missing
- if you have a template for the whole ScheduleView look for missing gesture for the mouse down.
- if available, try with an older version of the controls. If something has changed which causes this behavior, it will be easier to be tracked.
Hope this helps. Please let us know if you have progress on the issue.
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