Visual Basic® 2010 Unleashed

The System.IO.File Class

The System.IO.File class provides access to files on disk exposing special shared members. For example, you can easily create a text file invoking two methods: WriteAllText and WriteAllLines. Both create a new text file, put into the file the given text, and then close the file; however, the second one allows writing the content of an array of strings into multiple lines. The following code provides an example:

Such methods are useful because they avoid the need to manually close files on disk when you perform the writing operation. You can also easily create binary files invoking the WriteAllBytes method that works like ...