private void UpdateSchedulerStorage()
 {
     _schedulerStorage.BeginUpdate();
     _schedulerStorage.Resources.DataSource    = null;
     _schedulerStorage.Resources.DataSource    = _objectSpace.GetObjects("Resource");
     _schedulerStorage.Appointments.DataSource = null;
     _newAppointments = (IList <Appointment>)_objectSpace.GetObjects("Appointment");
     _schedulerStorage.Appointments.DataSource = _newAppointments;
     _schedulerStorage.EndUpdate();
 }