Sams Teach Yourself Visual Basic 2012 in 24 Hours, Complete Starter Kit

Hour 11. Using Constants, Data Types, Variables, and Arrays

What You’ll Learn in This Hour

• Understanding data types

• Determining data type

• Converting data to different data types

• Defining and using constants

• Dimensioning and referencing variables

• Understanding explicit variable declaration and strict typing

• Working with arrays

• Determining scope

• Declaring static variables

• Using a naming convention

As you write your Visual Basic procedures, you’ll regularly need to store and retrieve various pieces of information. As a matter of fact, I can’t think of a single application I’ve written that didn’t need to store and retrieve data in code. You might want to keep track of how many times a procedure has been called, for example, ...