private void Coalesce(INotifyReversableExpression <IModelElement> coalesceValue) { if (ReferencedElement == null) { ReferencedElement = coalesceValue; } else { ReferencedElement = Observable.Coalesce(ReferencedElement, coalesceValue); } }
private void Coalesce(INotifyReversableExpression<object> coalesceValue) { if (Value == null) { Value = coalesceValue; } else { Value = Observable.Coalesce(Value, coalesceValue); } }