Sams Teach Yourself Visual Basic® 6 in 24 Hours

Chapter 14. Built-In Functions Save Time

This lesson gives you a reference for many of the most common built-in functions. You will learn about the numeric, string, time, date, and formatting functions that Visual Basic supplies. By using the built-in functions Visual Basic gives you, you won't have to spend a lot of time writing your own code for common routines. For example, you never need to write code that extracts a square root because Visual Basic supplies a built-in square root function for you.

As with all functions, the built-in functions return values and, optionally, accept arguments that you pass to the functions when you call the functions. Some built-in functions don't accept arguments; although the style is inconsistent, you don't ...