By default, the Enabled property is True. Use the Enabled property to disable the control. The DisableZoneFormat property of the Calendar returns or sets an expression that determines the dates being disabled in the calendar/schedule panel. The AllowUpdateDisableZone property on True, lets user to update the disabled zones. The AllowCreateEvent property indicates the combination of the keys to let user creates new events. The AllowMoveEvent property indicates the combination of the keys to let user moves the events. The AllowResizeEvent property indicates the combination of the keys to let user resizes the events.