For Each…Next Loop in VB.net
By: Ramlak
You use the For Each…Next loop to loop over elements in an array or a Visual Basic collection. This loop is great, because it automatically loops over all the elements in the array or collection—you don't have to worry about getting the loop indices just right to make sure you get all elements, as you do with a For loop. Here's the syntax of this loop:
For Each element In group [statements] [Exit For] [statements] Next [element]
You can get a look at this loop in action with an example like this, in which I'm displaying all the elements of an array:
Module Module1 Sub Main() Dim intIDArray(3), intArrayItem As Integer intIDArray(0) = 0 intIDArray(1) = 1 intIDArray(2) = 2 intIDArray(3) = 3 For Each intArrayItem In intIDArray System.Console.WriteLine(intArrayItem) Next intArrayItem End Sub End Module
And here's the result of this code:
0 1 2 3 Press any key to continue
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