event EventHandler<GenericEventArgs<Subscription>> SubscriptionStateChanged

Event SubscriptionStateChanged As EventHandler(Of GenericEventArgs(Of Subscription))

 event EventHandler<GenericEventArgs<Subscription^>^>^ SubscriptionStateChanged {
	void add (EventHandler<GenericEventArgs<Subscription^>^>^ value);
	void remove (EventHandler<GenericEventArgs<Subscription^>^>^ value);
}

abstract SubscriptionStateChanged : IEvent<EventHandler<GenericEventArgs<Subscription>>,
    GenericEventArgs<Subscription>>