FileSystemWatcher

csharpula csharp · Joined: 11 Aug 2007 Posts: 14

Hello,is there any FileSystemWatcher wich will track if some file been
updated but getting as an input a url (from remote comp - not defenetly
windows os) and not a path?

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Hans Kesting · Joined: 02 Oct 2007 Posts: 3

csharpula csharp formulated the question :
> Hello,is there any FileSystemWatcher wich will track if some file been
> updated but getting as an input a url (from remote comp - not defenetly
> windows os) and not a path?
>
>

No. As I understand it, FSW hooks into the operating system so it
receives notifications about changed files. It does not poll for
changes itself.

There is no standard mechanism (that I know of) to receive "changed"
notifications from remote systems. You probably have to write something
yourself, by polling (HTTP has an If-Modified-Since option ..).
Be careful: the remote system might not be pleased if you fire too many
of these requests!

If you can put code on that remote system, you could maybe set up a FSW
there, where you can register for notifications if (specific) files
have changed (have that service call *you* when there was a change).

Hans Kesting

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