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detect if a file is open

I'm using FileSystemWatcher to watch the new file creation. When there
is one, I want to open it and read it's content. But, by the time when
I got the message from FileSystemWatcher the file may be still hold by
the process who just created it, writing data.
So is there any way I can detect if a file is open or not? Or can I
wait untill the file is free? Or there is another solution?

Thanks!

Sep 17 '07 #1
0 1094

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