Setting an item in a Visual Basic list class when iterating with for each...

I'm trying to find a simple way to update the items in a list. When using For...Each the items do not actually get updated. See the following code...

Private Structure test
    Dim iNum As Integer
    Dim strStr As String
End Structure
Private oTest As New List(Of test)


Dim newTest = New test
newTest.iNum = 1
newTest.strStr = "a"
oTest.Add(newTest)
For Each testItem As test In oTest
    testItem.iNum = 2
Next

At this point if I was to query the only item in the list, the value would still be (1, "a"). The list hasn't updated at this point. How can the list be modified?

Thanks
tolvorAsked:
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Change from a Structure to a Class and it should work.  When you use a Structure a copy is made each time you iterate.  With a Class you will work directly with the item already in the List.
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tolvorAuthor Commented:
Brilliant solution. Thank worked. Thanks
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Visual Basic Classic

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