// #example: Referential integrity private static void ReferentialIntegrityCheck(object sender, CancellableObjectEventArgs eventArguments) { object toDelete = eventArguments.Object; if (toDelete is Pilot) { IObjectContainer container = eventArguments.ObjectContainer(); IEnumerable<Car> cars = from Car c in container where c.Pilot == toDelete select c; if (cars.Count() > 0) { eventArguments.Cancel(); } } }
void OnCreating(object sender, CancellableObjectEventArgs args) { _events.Add("Creating"); Assert.IsFalse(args.IsCancelled); args.Cancel(); }
private void OnActivating(object sender, CancellableObjectEventArgs args) { if (_doNotActivateTypes.Contains(sender.GetType())) { args.Cancel(); } }