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I have a really strange error, with Delimon.Io library, I got an OverflowException when I call a Directory.Exists for an existing directory, ie. 

Delimon.Win32.IO.Directory.Exists(@"c:\temp")

The error occours only if I issue the call in a specific service, no error if I run the same code in unit testing project.

What could be the project settings that makes this simple call fail? (Clearly calling a 

System.IO.Directory.Exists("c:\\temp")

correctly returns true.

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  • Shameless self-plug: I've written a similar library for dealing with long paths, maybe you want to give it a try, to see whether it brings the same error. Commented Nov 24, 2015 at 12:06
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    I'll have a look at it. The problem is that I used delimon lots of time in the past without any problem, and I got this error only on that specific project. I do not know why it happens. Commented Nov 24, 2015 at 13:06
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    Sounds like a specific issue with that library. Probably best to contact the author. Commented Nov 24, 2015 at 14:59
  • Actually there are comments in TechNet page by people having the very same problem and no answer. I've substituted the library with very little effort with this library (github.com/peteraritchie/LongPath) and it seems to work well until now. Commented Nov 25, 2015 at 9:11
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