C#.NET TaskServiceBase

 

  
    

   
     
   
     using
   
      System;

   
     using
   
      System.Collections.Generic;

   
     using
   
      System.Text;

   
     using
   
      System.Web;

   
     using
   
      System.ServiceProcess;

   
     using
   
      System.Timers;


   
     namespace
   
      Pub.Class {
 
   
     public
   
      
   
     abstract
   
      
   
     class
   
      TaskServiceBase : ServiceBase {

 
   
     private
   
      Timer timer 
   
     =
   
      
   
     new
   
      Timer();

 
   
     public
   
      TaskServiceBase(TimeSpan interval) {
 timer.Elapsed 
   
     +=
   
      
   
     new
   
      ElapsedEventHandler(timer_Elapsed);
 timer.Interval 
   
     =
   
      interval.TotalMilliseconds;
 timer.AutoReset 
   
     =
   
      
   
     false
   
     ;
 timer.Enabled 
   
     =
   
      
   
     false
   
     ;
 }

 
   
     protected
   
      
   
     override
   
      
   
     void
   
      OnStart(
   
     string
   
     [] args) { timer.Start(); }

 
   
     protected
   
      
   
     override
   
      
   
     void
   
      OnStop() { timer.Stop(); }

 
   
     protected
   
      
   
     abstract
   
      
   
     void
   
      RunTask();

 
   
     private
   
      
   
     void
   
      timer_Elapsed(
   
     object
   
      sender, ElapsedEventArgs e) {
 timer.Stop();
 
   
     try
   
      { RunTask(); } 
   
     finally
   
      { timer.Start(); }
 }
 
 }
}