Re: File system filter


Daniel Lidström a écrit :

> Hello!
>
> I'm interested in the technique for monitoring file system changes. For
> example, in an editor it is nice to be able to know if the file being
> edited has changed outside the editor. How is this done in for example,
> Visual Studio? There seems to be a good resource at this location:
> http://www.microsoft.com/whdc/driver/filterdrv/default.mspx
> however, I'm not sure this technique is best for an editor. I would also
> like to be able to be notified when a file is created, renamed, or deleted
> in a specific directory. For this I would think a file system filter would
> be appropriate. Can anyone shed some light?

A filter driver is overkill for this kind of things (and quite
difficult to write too).

Use FindFirstChangeNotification / FindNextChangeNotification /
FindCloseChangeNotification or ReadDirectoryChangesW.

Arnaud
MVP - VC


> Thanks in advance!
>
> --
> Daniel
> A: Because it messes up the order in which people normally read text.
> Q: Why is top-posting such a bad thing?
> A: Top-posting.
> Q: What is the most annoying thing on usenet and in e-mail?

.

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