"Not a Path?" is not working

Question

Hello,
i added a simple example vi where i have a path-control and a "Not-a-Number/Path/Refnum?" and as output a boolean.
The boolean should be false if the path is correct and true if the path is invalid.
Then i insert as path the value "c:\abc|||def.txt". When i run the vi then the path is valid.
But this is not a valid name in Windows so why is it displayed as valid? I cant create a file manually in with this name.
Thanks for any help
Attachments:
validpath.vi ‏7 KB

Answer 1

Not a path is the Tag <Not a path> and can be found under File-I/O -> path constants as a Not A Path Contant.vi
Several file vis will also return that constant if cancelled (file dialog) or an error occures. 
Felix 
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