public void PropertyValueChanged(DataContainer dataContainer, PropertyDefinition propertyDefinition, object oldValue, object newValue) { ArgumentUtility.CheckNotNull("dataContainer", dataContainer); ArgumentUtility.CheckNotNull("propertyDefinition", propertyDefinition); Assertion.DebugAssert(dataContainer.HasDomainObject, "DataContainerEventListener is only used for registered DataContainers."); if (!propertyDefinition.IsObjectID) { _eventSink.RaisePropertyValueChangedEvent(dataContainer.DomainObject, propertyDefinition, oldValue, newValue); } }