Using timer to call multiple function

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Hi, I want to use timer in windows forms.I should be such that I have 4 functions to be called with 5 sec difference.5secs after function1() execution it should execute function2() etc.I am working with C#.How can I do this?Any help appreciated.

What I have tried:

I have tried for single function call in timer.

Posted 22-Apr-18 18:34pm

Member 13688117

Updated 23-Apr-18 3:16am

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George Swan 23-Apr-18 1:34am

Do your methods return void?

Member 13688117 23-Apr-18 2:01am

yes

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OriginalGriff · Accepted Answer · 2018-04-22T19:59:00

Solution 1

Create a class level integer variable call callNext.
Then in your Timer Tick event:

C#

switch(callNext++)
   {
   case 0: Method0(); break;
   case 1: Method1(); break;
   case 2: Method2(); break;
   case 3: Method3(); break;
   }
if (callNext > 3) callNext = 0;

TO make it clearer, you could use an enum instead of an integer.

Posted 22-Apr-18 19:59pm

OriginalGriff

v2

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Member 13688117 23-Apr-18 2:17am

Thank you.Its working.

OriginalGriff 23-Apr-18 2:26am

You're welcome!

George Swan · Accepted Answer · 2018-04-23T03:18:00

If you need to make sure that there is a five second delay after each method finishes rather than just running the methods sequentially, with a method being called every 5 seconds, you can use the task based asynchronous pattern. In this example the functions are called in response to a button click. The functions will run on the UI thread but the 5 second delay will be an asynchronous delay and will not block the UI thread.

C#

private async void BtnRun_Click(object sender, EventArgs e)
        {
             function1();
            await Task.Delay(5000);
            function2();
            await Task.Delay(5000);
            function3();
            await Task.Delay(5000);
            function4();
        }

If the functions are all Actions you can refactor the method by using a List<Action>