Observable.FromEventPattern<EventArgs>(AssociatedObject, Event).Subscribe(delegate { FireCommand(); });
Observable.FromEventPattern<RoutedEventArgs>(AssociatedObject, Event) .Subscribe(se => FireCommand());
Type mujtypEventHandleru = ... // tento typ chci pouzit v nasledujici metode AssignEvent<T odpovidajici mujtypEventHandleru>(AssociatedObject, Event, FireCommand);