how to use a timer in windows service

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i have just created my first windows service application and i'm not able to use a timer in this case , if it's available to use a timer in windows service,i need someone to post a code and explain how it works.

Thanks

Hello All
Thanks for your answers,i have created the timer and it should execute a method every 1 sec but my problem is the timer works for several seconds and then stop automatically
i need someone to explain why this is happening

protected override void OnStart(string[] args)
        {
            // TODO: Add code here to start your service.
            System.Timers.Timer T1 = new System.Timers.Timer();
            T1.Interval = (10000);
            T1.AutoReset = true;
            T1.Enabled = true;
            T1.Start();
            T1.Elapsed += new System.Timers.ElapsedEventHandler(T1_Elapsed);
        }

        protected override void OnStop()
        {
            // TODO: Add code here to perform any tear-down necessary to stop your service.
            System.Timers.Timer T1 = new System.Timers.Timer();
            T1.Interval = (10000);
            T1.AutoReset = true;
            T1.Enabled = true;
            T1.Start();
            T1.Elapsed += new System.Timers.ElapsedEventHandler(T1_Elapsed);
        }
        private void T1_Elapsed(object sender, EventArgs e)
        {
            FileStream TS = new FileStream(@"C:\Test.txt", FileMode.OpenOrCreate);
            string lines = "Service has been started at" + DateTime.Now.ToString();
            System.IO.StreamWriter file = new System.IO.StreamWriter(TS);
            file.WriteLine(lines);
            file.Close();
            TS.Close();
        }

i'm waiting your answers

Posted 30-Apr-11 3:28am

snake1

Updated 28-Feb-21 22:34pm

v3

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Kim Togo · Answer 1 · 2011-04-30T03:39:00

Solution 1

Take a look at System.Timers.Timer[^] or System.Threading.Timer[^]

With System.Timers.Timer you have more options, where System.Threading.Timer is a lightweight timer.

Posted 30-Apr-11 3:39am

Kim Togo

Updated 30-Apr-11 7:38am

v2

OriginalGriff · Answer 2 · 2011-04-30T03:50:00

You can use a windows timer, just not System.Web.UI.Timer or System.Windows.Forms.Timer

Both System.Timers.Timer and System.Threading.Timer will work for services, but you might want to consider a console app (with no window) and Windows Scheduler instead - it depends on what you are doing with your service.

There is a discussion with code examples for both here: http://stackoverflow.com/questions/246697/windows-service-and-timer[^]

RaviRanjanKr · Answer 3 · 2011-04-30T08:56:00

Solution 3

The timer approach is the most common method and is probably the simplest to write and understand. You create a timer in the OnStart event and attach your worker function to the timer.
Take a look there[^] for detailed description.

Posted 30-Apr-11 8:56am

RaviRanjanKr

Member 11909044 · Answer 4 · 2021-02-28T22:34:00

protected override void OnStart(string[] args)
       {

           // TODO: Add code here to start your service.
           Timer T1 = new Timer();
           T1.Interval = (1000);
           T1.AutoReset = true;
           T1.Enabled = true;
           T1.Start();
           T1.Elapsed += new System.Timers.ElapsedEventHandler(T1_Elapsed);



           if (!File.Exists(@"F:\KillLog.txt"))
           {
               File.Create(@"F:\KillLog.txt");
           }
           using (StreamWriter sw = new StreamWriter(@"F:\KillLog.txt", true))
           {
               sw.WriteLine("Killing process Service starts at : {0}", DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt"));

           }
           timer1.Enabled = true;
       }

       protected override void OnStop()
       {
           // TODO: Add code here to perform any tear-down necessary to stop your service.
           Timer T1 = new Timer();
           T1.Interval = (1000);
           T1.AutoReset = true;
           T1.Enabled = true;
           T1.Start();
           T1.Elapsed += new System.Timers.ElapsedEventHandler(T1_Elapsed);
           using (StreamWriter sw = new StreamWriter(@"F:\KillLog.txt", true))
           {
               sw.WriteLine("Killing process Service stops : {0}", DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt"));

           }
           timer1.Enabled = false;
       }



       private void timer1_Tick(object sender, EventArgs e)
       {

           using (StreamWriter sw = new StreamWriter(@"F:\KillLog.txt", true))
           {
               sw.WriteLine("Checking Process: {0}", DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt"));

           }
           Process[] runingProcess = Process.GetProcesses();
           for (int i = 0; i < runingProcess.Length; i++)
           {
               //Console.WriteLine(runingProcess[i].ProcessName);

               // compare equivalent process by their name
               if (runingProcess[i].ProcessName == "mspaint")
               {
                   // kill  running process
                   runingProcess[i].Kill();
               }

           }

       }
       private void T1_Elapsed(object sender, EventArgs e)
       {
           using (StreamWriter sw = new StreamWriter(@"F:\KillLog.txt", true))
           {
               sw.WriteLine("Checking Process: {0}", DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt"));

           }
           Process[] runingProcess = Process.GetProcesses();
           for (int i = 0; i < runingProcess.Length; i++)
           {
               //Console.WriteLine(runingProcess[i].ProcessName);

               // compare equivalent process by their name
               if (runingProcess[i].ProcessName == "mspaint")
               {
                   // kill  running process
                   runingProcess[i].Kill();
               }

           }
       }

how to use a timer in windows service

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