Demonstrates using the System.Timers.Timer class 2 : Timer « Development Class « C# / C Sharp





Demonstrates using the System.Timers.Timer class 2

Demonstrates using the System.Timers.Timer class 2
 

/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa

Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
 
// Timer.cs -- demonstrates using the System.Timers.Timer class.
//
//             Compile this program with the following command line:
//                 C:>csc Timer.cs
using System;
using System.Windows.Forms;
using System.Timers;

namespace nsDelegates
{
    public class TimerAndDialog
    {
        static int countdown = 10;
        static System.Timers.Timer timer;
        static public void Main ()
        {
// Create the timer object.
            timer = new System.Timers.Timer (1000);
// Make it repeat. Setting this to false will cause just one event.
            timer.AutoReset = true;
// Assign the delegate method.
            timer.Elapsed += new ElapsedEventHandler(ProcessTimerEvent);
// Start the timer.
            timer.Start ();
// Just wait.
            MessageBox.Show ("Waiting for countdown", "Text");
        }
// Method assigned to the timer delegate.
        private static void ProcessTimerEvent (Object obj, ElapsedEventArgs e)
        {
            --countdown;
// If countdown has reached 0, it's time to exit.
            if (countdown == 0)
            {
                timer.Close();
                Environment.Exit (0);
            }
// Make a string for a new message box.
            string sigtime = e.SignalTime.ToString ();
            string str = "Signal time is " + sigtime.Substring (sigtime.IndexOf(" ") + 1);
            str += "\r\nCountdown = " + countdown;
// Show a message box.
            MessageBox.Show (str, "Timer Thread");
        }
    }
}



           
         
  










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