public void DiscardChanges(UnitOfWork unitOfWork, XPBaseCollection collection)
{
var deletedTLObjects = TransactionalChangeHandler.GetDeletedTLObjects <RoomBooking>(unitOfWork);
foreach (var newObject in TransactionalChangeHandler.GetSavedNewObjects(unitOfWork))
{
TransactionalChangeHandler.ResetAssociations(newObject);
// special behavior for this form
if (newObject is RoomBooking)
{
// remove the appointment from the collection, this doesn't
// happen automatically
var appt = schedulerStorage.Appointments.Items.Find(
a => object.ReferenceEquals(a.GetRow(schedulerStorage), newObject));
schedulerStorage.Appointments.Remove(appt);
}
}
unitOfWork.ReloadChangedObjects();
// special behavior: get the right collection first
var roomBookingCollection = (IList <RoomBooking>)schedulerStorage.Appointments.DataSource;
foreach (var item in deletedTLObjects)
{
roomBookingCollection.Add(item);
}
}
