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need to poll multiple directories for files to register when they finished copying ...

Posted on 2007-08-02
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i probably need to use windows service project

FileWatcher does not seem the best option at the moment,
since it will probably raise an events as soon as file(s)
start arriving, while i need to know when each individual  
file is done being copied to our server; in addition, i only
need to track certain subdirectories, not entire tree;
however, may be FileWatcher can be customized to do that ?

but even if i do not use filewatcher, how would i separate
files that have already been checked from ones that have just
arrived ...


thanks in advance,
-Alex
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Question by:AlexF777
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Mike Tomlinson earned 2000 total points
ID: 19620573
I don't think there is any way to setup the watcher so it only fires when the files are "done" copying.  You just have to watch the size of the files and see when they stop changing...or once you get an event, start a Timer and periodically try to open the files in exclusive access mode.  If it fails then the file is still being copied.  Once the file has been "processed" you can give it a different extension or move it somewhere else so you know it has been dealt with.
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