FileMode.CreateNew when file already exists

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doug mansell - 05 Jan 2007 06:37 GMT

If I use System.IO.File.Open with FileMode.CreateNew, and the file
already exists I get an IOException. Ok... but there is no specific
exception for "file already exists", so how do I determine
programatically that that was indeed the cause?

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doug mansell - 05 Jan 2007 07:00 GMT

> If I use System.IO.File.Open with FileMode.CreateNew, and the file
> already exists I get an IOException. Ok... but there is no specific
> exception for "file already exists", so how do I determine
> programatically that that was indeed the cause?

oh silly me...

System.Runtime.InteropServices.Marshal.GetHRForException

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