need help with arrays

I'm new with Visual Basic but i believe this should be simple,
i just can't come up with a VB code that will work.
I have two array lists:
itemArr: 1,2,3,4,5,6,7,8,9,21,32
IndexArr: 2,3,4,5,6,7,8,9,10,22,33

What would the VB code look like to compare these two arrays
and return the first number to a textbox that is in indexArr
but not in itemArr?

return first value that in indexArr but not in itemAr?

Here is the code, I haven't try it. but it should work

Dim itemArr() as Integer = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 21, 32 }
Dim IndexArr() as Integer = { 2, 3, 4, 5, 6, 7, 8, 9, 10, 22, 33 }
Dim flag as boolean = false
Dim i, j as integer

For i = 0 to UBound(itemArr)
For j = 0 to UBound(IndexArr)
if (itemArr(i) == IndexArr(j)) then
flag = true
exit for
end if
Next
if (flag == false)
return itemArr(i)
end if
Next

wink,

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This works exactly what you want......

Dim itemArray() AsInteger = {1, 2, 3, 4, 5, 6, 7, 8, 9, 21, 32}
Dim IndexArray() AsInteger = {2, 3, 4, 5, 6, 7, 8, 9, 10, 22, 33}

Dim fgEqual AsBoolean = False

Dim i, j AsInteger

For i = 0 To UBound(IndexArray)

For j = 0 To UBound(itemArray)

If (itemArray(j) = IndexArray(i)) Then

fgEqual = True

ExitFor

EndIf

Next

If (fgEqual = False) Then

Textbox1.Text = (IndexArray(i).ToString)

ExitFor

EndIf

fgEqual = False

Next