The ForceUpdateFromStorage property can be used to force the Scheduler view to update itself by querying appointments from the storage. To switch this behavior on, you should set the property value to true within the DevExpress.XtraScheduler.SchedulerControl.AppointmentDrag handler. By default, it is false.
To find a situation in which this property is useful, review the following code example which demonstrates how an appointment is repositioned to another date by dragging it to the DevExpress.XtraScheduler.DateNavigator control.