Chapter 7 - Using Loops and Timers - Part 1

The book discusses the first two types of loops in some detail but only mentions While...End While briefly. The illustration at the beginning of the lesson shows you the syntax of the While...End While loop. The structure is similar to the Do Loop so there isn't really a absolute need to have it in the language. In fact, it's exactly the same as ...

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Do While [condition]
  [statements]
Loop
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Many programmers prefer the While ... End While loop because it's so clear and uncomplicated. Even if you don't use it yourself, you will see it in code written by others, so it's something you also need to know about.

• What good is a program that will only do something once?
• Let's Get Looping!
• Loop Conditions - How to control when the loop stops
• Beyond the Book: Two New Loop Statements While ... While End and For Each loops
• An Example of a While ... End While Loop
• Debug.WriteLine - A headstart on the next chapter
• Conclusions about the Debug technique
• Beyond the Book: VB.NET Constants