Remove event handler : Timer « Development « C# / CSharp Tutorial

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

using System;
using System.Timers;           
using System.Threading;        

class MainClass
{
   public static void TimerHandlerA(object obj, EventArgs e) { 
      Console.WriteLine("Class A handler called"); 
   }

   public static void TimerHandlerB(object obj, EventArgs e) { 
      Console.WriteLine("Class B handler called"); 
   }

   static void Main()
   {
     
      MyTimerClass mc = new MyTimerClass(); 

      mc.Elapsed += TimerHandlerA;       
      mc.Elapsed += TimerHandlerB;   

      mc.Elapsed -= TimerHandlerB;   
      
      Thread.Sleep(2000);                   
   }
}

public class MyTimerClass
{
   public event EventHandler Elapsed;

   private void OnOneSecond(object obj, EventArgs e)
   {
      if (Elapsed != null)
         Elapsed(obj, e);
   }
   
   private System.Timers.Timer MyPrivateTimer = new System.Timers.Timer();
   
   public MyTimerClass()
   {
      MyPrivateTimer.Elapsed += OnOneSecond;

      MyPrivateTimer.Interval = 1000;

      MyPrivateTimer.Enabled = true;
   }
}

Class A handler called