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Old November 18th, 2003, 09:58 AM
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Default Chapter 6 Array's "Going backwards"


I'm new to vb but have alway's wanted to learn it. I have a question regarding the Try it out going backwards...

In the try it out i'm not quite clear how they use the length property to find out how big it is? How does subtracting one from the upper bound find the correct size? I would think that vb was programed to know it uses zero based lengths and therefore subtracting one from the upper bound would yield 4 instead.

Old November 18th, 2003, 10:47 AM
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Chapter 6 of what book?

In any case- take the following array

a(0) = "Hello"
a(1) = "World"
a(2) = "In"
a(3) = "Array"

UBOUND(A) would yeild 4

Looping from 0-4 would cause an error as a(4) doesn't exist. so you need to Loop 0 to ubound(a)-1...

The ubound gives the actual number of array members- so an array with 1 element would be at position zero...


Hal Levy
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Old November 19th, 2003, 02:18 PM
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Thanks Hal,

Shortly after I posted I called a friend to explain the problem to him (he know's nothing about programing either) and during the explanation I figured it out, lol.

Thanks for your help though.

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