public void _0001_SubscribeModel()
        {
            EventAggregator ea = new EventAggregator();

            ea.Subscribe((Action <MocAppEvent>)(e => { Console.WriteLine(e.Message); }));
        }
        public void _0003_SubscribeModel()
        {
            EventAggregator ea = new EventAggregator();

            ea.Subscribe((Action <MocAppEvent>)MocShowMessage);
        }