You can find the
wrox.com code downloads for this chapter at
www.wrox.com/go/beginningvisualc#2015programming on the Download Code tab. The code is in the Chapter 18 download and program names match the names used in the examples throughout the chapter.
Files can be a great way to store data between instances of your application, or they can be used to transfer data between applications. User and application configuration settings can be stored to be retrieved the next time your application is run.
This chapter shows you how to use files effectively in your applications, touching on the major classes used to create, read from, and write to files, and the supporting classes used to manipulate the file system from C# code. Although you won't examine all of the classes in detail, this chapter goes into enough depth to give you a good idea of the concepts and fundamentals.
Reading and writing files is an essential way to get data into your C# program (input) and send data out of your program (output). Because files are used for input and output, the file classes are contained in the
System.IO namespace. ...