public static void InTheBeginning()
        {
            Worker peter = new Worker();
            Boss boss = new Boss();
            peter.completed += new WorkCompleted(boss.WorkCompleted);
            peter.started += new WorkStarted(Universe.WorkerStartedWork);
            peter.completed += new WorkCompleted(Universe.WorkerCompletedWork);
            peter.DoWork();

            Console.WriteLine("From Universe Beginning: worker completed work");
        }
        static void Main()
        {
            Worker peter = new Worker();
            Boss boss = new Boss();
            peter.completed += new WorkCompleted(boss.WorkCompleted);
            peter.started += new WorkStarted(Universe.WorkerStartedWork);
            peter.completed += new WorkCompleted(Universe.WorkerCompletedWork);
            peter.DoWork();

            Console.WriteLine("Main: worker completed work");
            Console.ReadLine();
        }