April 2002
Intermediate to advanced
688 pages
19h 51m
English
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Name
File.Exists Method
Class
System.IO.File
Syntax
File.Exists(path)-
path(required; String) The file path
Return Value
A Boolean indicating whether the file exists
Description
Indicates whether a file exists
Rules at a Glance
pathis a fully qualified filename or a relative path (which is interpreted as starting in the current directory).The Exists method returns
Trueonly if the specified file exists; otherwise, it returnsFalse. Note that Exists returnsFalseifpathdescribes a directory instead of a folder.
Programming Tips and Gotchas
Since the File class is shared, you don’t have to instantiate any objects before calling the File.Exists method.
See Also
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.