Timer Interval 1000 1 second

Question

I have a label which should show the seconds of my timer  or in other word I have a variable to which is added 1 every interval of the timer   The interval of my timer is set to 1000  so the label should update itself every second  and should also show the seconds   But the label is after 1 second already in the hundreds  What is a proper interval to get 1 second   int  counter   0  Timer timer   timer   new Timer    timer Interval   1000  timer Tick    new EventHandler TimerEventProcessor   label1 Text    counter ToString    timer Start     private void TimerEventProcessor object sender  EventArgs e      label1 Text    counter ToString       counter    1

User · Accepted Answer

The proper interval to get one second is 1000. The Interval property is the time between ticks in milliseconds:

MSDN: Timer.Interval Property

So, it's not the interval that you set that is wrong. Check the rest of your code for something like changing the interval of the timer, or binding the Tick event multiple times.

User · Answer

Any other places you use TimerEventProcessor or Counter     Anyway  you can not rely on the Event being exactly delivered one per second  The time may vary  and the system will not make sure the average time is correct    So instead of  Counter  you should use       when starting the timer   DateTime  started   DateTime UtcNow       in TimerEventProcessor   seconds    DateTime UtcNow-started  TotalSeconds   Label Text   seconds ToString        Note  this does not solve the Problem of TimerEventProcessor being called to often  or  Counter incremented to often  it merely masks it  but it is also the right way to do it

User · Answer

Instead of Tick event  use Elapsed event   timer Elapsed    new EventHandler TimerEventProcessor     and change the signiture of TimerEventProcessor method   private void TimerEventProcessor object sender  ElapsedEventArgs e      label1 Text    counter ToString       counter    1

[c#] Timer Interval 1000 != 1 second?

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