Public Overrides Sub InvokeAction( _
   ByVal action As Action(Of TPayload), _
   ByVal argument As TPayload _
) 

Dim instance As BackgroundEventSubscription(Of TPayload)
Dim action As Action(Of TPayload)
Dim argument As TPayload
 
instance.InvokeAction(action, argument)

public override void InvokeAction( 
   Action<TPayload> action,
   TPayload argument
)

public procedure InvokeAction( 
    action: Action;
    argument: TPayload
); override; 

public override function InvokeAction( 
   action : Action,
   argument : TPayload
);

public: void InvokeAction( 
   Action<TPayload*>* action,
   TPayload* argument
) override 

public:
void InvokeAction( 
   Action<TPayload^>^ action,
   TPayload^ argument
) override