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Repeat a function every 2 mins

Posted on 2009-05-12
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Last Modified: 2013-12-17
I have a function getColors() which i need to run every 2 mins (this function just queries a website for some data and updates some images). How can you get a function to do this?
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Question by:mike_pro
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4 Comments
 
LVL 9

Expert Comment

by:tculler
ID: 24364265
Well, I don't know of a built-in function, but you can use a timer, instead. I'll give a sample code snippet.

        class TwoMinuteTimer : System.Timers.Timer
        {
            /// <summary>Initializes a new timer that fires its Elapsed event ever 120 seconds.</summary>
            /// <param name="myElapsedEvent">The method to call ever 2 minutes.</param>
            public TwoMinuteTimer(ElapsedEventHandler myElapsedEvent)
                : base(120000.0) // 120,000 milliseconds, aka 120 seconds/2 minutes for the interval.
            {
                this.Start();
                this.Elapsed += myElapsedEvent;
            }
        }

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LVL 9

Accepted Solution

by:
tculler earned 250 total points
ID: 24364284
Sorry, hit the tab + enter by accident.

You would do the following to start retreiving your colors:

TwoMinuteTimer timer = new TwoMinuteTimer(MyEventHandler);

void MyEventHandler(System.Timers.ElapsedEventArgs elapArgs)
{
     // Get your color here. I recommend loading it into a buffer of some sort, like a List<Color>, or a Queue<Color>
}

Hope I helped, feel free to ask any other questions.
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LVL 19

Assisted Solution

by:alb66
alb66 earned 250 total points
ID: 24364287
You can add a timer to your form.

timer1 = new System.Timers.Timer();
timer1.Elapsed += new System.Timers.ElapsedEventHandler( timer1_Elapsed );

timer1.Interval = 120000;
timer1.Enabled = true;


private void timer1_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
   ... do something
}
            
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