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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Nov 29, 2001



Building the Right Environment to Support AI, Machine Learning and Deep Learning

Iterate Control Arrays Without Error

Control arrays are odd beasts in that they can have missing elements. The simplest way to iterate a control array uses this method:
Dim i As Integer
For i = Text1.LBound To Text1.UBound ...

However, if you have holes in your array, that method tosses an error. To avoid that eventuality, treat the array like a collection:
Dim txt As TextBox
For Each txt In Text1
txt.Text = "Hello, World!, My Index is " & txt.Index
Next txt
Guy Dafny
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