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Gets or sets a bool value that indicates whether in-place editing of appointments is enabled for an end-user. This is a dependency property.
public bool IsInPlaceEditingDisabled { get; set; }
This value only affects a user who is interacting with the control. All data can always be modified programmatically. Note: disabling of in-place editing is implemented with the help of IsReadOnly property in default IntervalAppointment templates. Make sure to honor IsInPlaceEditingDisabled property value in custom IntervalAppointment templates.