January 2003
Beginner
696 pages
16h 38m
English
Content preview from Sams Teach Yourself Visual Studio® .NET 2003 in 21 DaysBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Working with Files and Directories
The System.IO namespace contains the basic file I/O functions that enable you to read and write files, list directories, get file information, and manipulate files and directories. Most applications interact with a file in one way or another, and the System.IO namespace helps you do so.
In this section, you learn how to
List directories and files
Read and write simple text files
Note
In JScript, VBScript, and Visual Basic, you use the FileSystemObject to work with files and directories. You can use the FileSystemObject in .NET, but because it's a COM object, there's additional resource overhead when calling the FileSystemObject's properties and methods. For this reason, you should always use the managed System.IO ...
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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.