EASY EASY EASY quesation, just woundering!!!

What does this mean, I see it at the top of code windows and I just woundered what it is there for. Every one probably knows this but I don't cause it isn't mentioned I any books on VB.

Code:

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Option Explicit

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It means that using an undeclared variable will result in an error. Try this code:

Code:

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For a = 1 To 100
Next

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A is not declared, so if you add option explicit it will not run.

if you do not use Option Explicit the following will be two different variables.
[CODE]
Private Sub Command1_Click()
For abc = 1 To 100
Next abc
Text1.Text = acb
End Sub
So if you spell something wrong, VB will make it a new variable.

I get it now, its about the same as what I thought. Thanx