Using ElapsedEventHandler and your own delegate : Timer « Development « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Development
3. Timer

using System.Timers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

public delegate void MessageHandler(string messageText);

class Program
{
    static void Main(string[] args)
    {
        Connection myConnection = new Connection();
        myConnection.MessageArrived += new MessageHandler(DisplayMessage);
    }
    public static void DisplayMessage(string message)
    {
        Console.WriteLine(message);
    }

}
public class Connection
{
    public event MessageHandler MessageArrived;
    private Timer pollTimer;

    public Connection()
    {
        pollTimer = new Timer(100);
        pollTimer.Elapsed += new ElapsedEventHandler(CheckForMessage);
        pollTimer.Start();
    }

    private static Random random = new Random();

    private void CheckForMessage(object source, ElapsedEventArgs e)
    {
        if (MessageArrived == null)
        {
            MessageArrived("Hello Mum!");
        }
    }

}