FileSystemWatcher v Timer

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Is there any advantage in using a FileSystemWatcher as against a timer polling a folder?
I know the code is sweeter, but is it faster, more efficient etc?

Posted 18-Apr-12 2:59am

Stuart Nathan

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Nelek 18-Apr-12 16:44pm

Stuart, check the solution 1, someone posted a link in a comment after yours, but he didn't answered you, so I guess you didn't get the notification.

Philippe Mori 18-Apr-12 22:59pm

Using a timer does not make much sense in general... If you uses a small delay then you might make the hard drive works too much and drain the battery (of a laptop).

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Reza Ahmadi · Answer 1 · 2012-04-18T06:47:00

Solution 1

Hi,
Take a look at this post which covers advantages/disadvantages of FileSystemWatcher class :
http://social.msdn.microsoft.com/Forums/en/csharpgeneral/thread/d0022f19-451d-46fb-b59c-a7e298048c34[^]

I hope it helps,
Cheers

Posted 18-Apr-12 6:47am

Reza Ahmadi

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Stuart Nathan 18-Apr-12 13:03pm

Had a good look at this link, but it doesn't seem to address the advantages or disadvantages, despite saying so in its intro. Perhaps I misunderstood it. Can you help?

Reza Ahmadi 18-Apr-12 13:15pm

In this link search the 'limitation' key word:
http://www.codeproject.com/Articles/15656/Advanced-FileSystemWatcher
I hope it helps

Stuart Nathan · Answer 2 · 2012-04-19T03:04:00

Solution 2

I still haven't got a definitive answer, so I wrote my own. It doesn't check file rename, but it does everything else.

Posted 19-Apr-12 3:04am

Stuart Nathan