using System;

​

public class Program

{

    public static void Main()

    {

        //Step 5 - Associate the event with the handler

        var person = new Person();

        person.name = "Joe Smith";

        var alarm = new AlarmClock();

        alarm.AlarmClockEvent += person.HandleAlarm;

        //Step 6 - Causing the event to occur

        alarm.Alarm();

    }

}

​

// Step 4 - Creating code that should occur when the event happens -- Listner

public class Person

{

    public string name { get; set; }

    public void HandleAlarm(object sender, AlarmClockEventArgs e)

    {

        Console.WriteLine("Get out of bed it's {0}", e.time);

    }

}

​

// Step 3 - Declaring the code for the event

public class AlarmClock

{

    public event AlarmClockEventHandeler AlarmClockEvent;

    public void Alarm()

    {

        Console.WriteLine("Alarm went off!");

        if (AlarmClockEvent != null)

        {

            AlarmClockEvent(this, new AlarmClockEventArgs(DateTime.Now));

        }

    }

}

​

// Step 2 - Setting up the delegate for the event

public delegate void AlarmClockEventHandeler(object source, AlarmClockEventArgs e);

​

​

// Step 1 - Creating a class to pass arguments for the event handlers   

public class AlarmClockEventArgs : EventArgs

{

    public DateTime time {get;set;}

    public AlarmClockEventArgs (DateTime time)

    {

        this.time = time;

    }

}