private static void Example3()
{
MathService2 mathService = new MathService2();
mathService.MathPerformed += OnOutboundEvent;
mathService.AddNumbers(3, 4);
mathService.MultiplyNumbers(3, 4);
}
private static void Example4()
{
MathService2 mathService = new MathService2();
new List <IMathPerformedService> {
new LoggingService(), new NotificationService()
}.ForEach(serv => mathService.MathPerformed += serv.OnMathPerformed);
mathService.AddNumbers(3, 4);
mathService.MultiplyNumbers(3, 4);
}