System.Timers.Timer Interval property

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In System.Timers.Timer class
'Interval' property accepts a double which specifies the interval
between two 'Elapsed' events.
But if we set a value greater that an int to the Interval(>bigger that 2,147,483,647)

and call Start() it throws a exception..!!!

Actually, the type of System.Timers.Timer.Interval is a double. I wonder why its double?, although it cannot be greater than Int32.MaxValue...!!!

Please Share your thoughts...!!!

Posted 7-Feb-12 18:31pm

CGN007

Updated 12-Jul-12 1:35am

v5

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Sergey Alexandrovich Kryukov 8-Feb-12 0:34am

What does it mean: "a value greater than an 'int'"?
--SA

CGN007 8-Feb-12 0:37am

Greater than int.Max Value:2,147,483,647.

Sergey Alexandrovich Kryukov 8-Feb-12 0:35am

What is "System.Timer"? A type? I don't know it.
--SA

CGN007 8-Feb-12 0:41am

In System.Timers.Timer class..
Sorry,Please Check the updated question...!!!

Sergey Alexandrovich Kryukov 8-Feb-12 0:45am

Better. Now, I wonder why?!

I hope aniketyadav explained that for you... :-)

By the way, asking about exception, always provide exception information.
--SA

CGN007 8-Feb-12 1:30am

Actually, the type of System.Timers.Timer.Interval is a double. I wonder why its double?, although it cannot be greater than Int32.MaxValue...!!!

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Sergey Alexandrovich Kryukov · Answer 1 · 2012-02-07T18:51:00

The answer is: this exception is explicitly documented in the MSDN help page on this property: http://msdn.microsoft.com/en-us/library/system.timers.timer.interval.aspx[^].

Section "Exceptions" explicitly states:
The interval is greater than Int32.MaxValue, and the timer is currently enabled. (If the timer is not currently enabled, no exception is thrown until it becomes enabled)

You really need to follow these important instructions:

Microsoft Q209354.

—SA

Aniket Yadav · Answer 2 · 2012-02-07T18:41:00

Solution 1

The INT Range In C# Is -2,147,483,648 to 2,147,483,647, Which Is A Signed 32-Bit Integer.
Why Do You Want To Set The Timer Interval Greater Than This Range?
As 1 Sec = 1000 Milliseconds

And Even If You Set The Interval To: 2147483647 Then
2,147,483,647 milliseconds is equivalent to 35800 minutes

Do you want your timer to run for such a long time?

Posted 7-Feb-12 18:41pm

Aniket Yadav

Comments

Sergey Alexandrovich Kryukov 8-Feb-12 0:52am

Good point, of course, but not an answer.

Please see my answer (last link is especially interesting :-)
--SA

[no name] 12-Jul-12 8:06am

In other words: 28 days later...

CGN007 8-Feb-12 1:32am

yes of-course...
Actually, the type of System.Timers.Timer.Interval is a double. I wonder why its double?, although it cannot be greater than Int32.MaxValue...!!!