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    <p>As a quick solution I can suggest to keep a list of delegates with the method you want to invoke on each timer tick. So on user action you just add the method you want to invoke. If the parameters must be unique for each user call, you might do something like in the following code:</p> <pre><code>// This is the class handling the timer ticks public class ActionExecutor : IDisposable { private Timer timer; private IList&lt;Action&gt; actionsList = new List&lt;Action&gt;(); public ActionExecutor() { // choose the interval as suits you best, or use // constructor argument timer = new Timer(1000); timer.Elapsed += OnTimerTick; timer.AutoReset = true; timer.Start(); } void OnTimerTick(object sender, ElapsedEventArgs) { lock(actionsList) { foreach(Action a in actionsList) { a(); } actionsList.Clear(); } } public void AddAction(Action a) { lock(actionList) { actionList.Add(a); } } public void Dispose() { // we must stop the timer when we are over if (timer != null) { timer.Stop(); } if (actionList != null) { actionList.Clear(); } } ~ActionExecutor() { Dispose(); } } </code></pre> <hr> <pre><code>//handling user click in your application void OnUserClick() { // built the specific notification request NotificationMessageRequest request = ... actionExecutor.AddAction(() =&gt; SendNotificationMessage(request)); } </code></pre> <p>In the code above, you must make sure you are using the same <code>ActionExecutor</code> instance where you handle the user actions. Notice the synchronization with the locks - timers usually run in separate thread than the thread adding the action. If you are speaking of a web application, then each user is running int his/her own thread, so multiple users at once will also add concurrency. Also, you may have to add appropriate error handling, as I have omitted that part for brevity.</p> <hr> <p><strong>Update</strong></p> <p>As suggested in comments, you might benefit from using a different collection than a list to hold the actions. It depends on the actual needs of your scenario.</p>
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    1. POControl the function call via Timer c#
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    1. USIvaylo Slavov
    1. USIvaylo Slavov
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    1. COI don't think a `List` of `Action` will be enough, it should be a `Dictionnary` or something else based on a userId. Otherwise a user can plan several executions of the same action without noticing it
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      1. USppetrov
    2. CO@ppetrov Yes, it might be a better approach if the OP wants to avoid duplication or otherwise manage the items added. I chose `List` for allowing executing the actions in the order being added.
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      1. USIvaylo Slavov
    3. COThis doesnot solve to my case since everytime the button is clicked the same function is only called and to that function i need some timer and your code could be used only when there is many functions
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      1. USRaghu
 

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