Basic event, C# - rextester

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using System;
using System.Collections.Generic;

namespace Rextester
{
    public class MyEventArgs : EventArgs
    {
        public static int Count;
        public MyEventArgs()
        {
            ++Count;
        }
    }
    
    public delegate void MyEventHandler (object sender, MyEventArgs e);
    
    public class Publisher
    {
        public Publisher()
        {
            Console.WriteLine("publisher ctor");
        }
        public event MyEventHandler MyEvent;
        
        public void FireEvent()
        {
            MyEvent.Invoke(this, new MyEventArgs());
        }
    }
    
    public class Program
    {
        public static void Main(string[] args)
        {
            Publisher myPublisher = new Publisher();
            myPublisher.MyEvent += new MyEventHandler(Subscriber);
            myPublisher.FireEvent();
            myPublisher.FireEvent();
            myPublisher.FireEvent();
            myPublisher.FireEvent();
        }
        
        private static void Subscriber(object sender, MyEventArgs e)
        {
            Console.WriteLine("I've been fired for the {0} time", MyEventArgs.Count);
        }
    }
}

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Compilation time: 0,12 sec, absolute running time: 0,08 sec, cpu time: 0,08 sec, average memory usage: 10 Mb, average nr of threads: 2