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






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!");
        }
    }

}








14.17.Timer
14.17.1.Use Timer
14.17.2.Timer start in detail
14.17.3.Create a Timer that runs twice a second, starting in one second
14.17.4.A timer demo
14.17.5.A Timer that fires once at the specified time
14.17.6.Create your own timer event handler
14.17.7.Remove event handler
14.17.8.Annonymous event handler based on Timer
14.17.9.Use the Timer to trigger event
14.17.10.Create the delegate that the Timer will call
14.17.11.Using ElapsedEventHandler and your own delegate
14.17.12.Timer based application
14.17.13.Using System.Timers.Timer
14.17.14.Using System.Threading.Timer
14.17.15.Timer based action firing