Public Overloads Function Subscribe( _
   ByVal action As Action(Of TPayload) _
) As SubscriptionToken

Dim instance As DelegateEvent(Of TPayload)
Dim action As Action(Of TPayload)
Dim value As SubscriptionToken
 
value = instance.Subscribe(action)

public SubscriptionToken Subscribe( 
   Action<TPayload> action
)

public function Subscribe( 
    action: Action
): SubscriptionToken; 

public function Subscribe( 
   action : Action
) : SubscriptionToken;

public: SubscriptionToken* Subscribe( 
   Action<TPayload*>* action
) 

public:
SubscriptionToken^ Subscribe( 
   Action<TPayload^>^ action
)