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Tip of the Day
Language: VB4,VB5,VB6,VBS
Expertise: beginner
Nov 20, 1999

ArraySum - The sum of all the items in an array of any type

' Return the sum of the values in an array of any type
' (for string arrays, it concatenates all its elements)
'
' FIRST and LAST indicate which portion of the array
' should be considered; they default to the first
' and last element, respectively

Function ArraySum(arr As Variant, Optional First As Variant, _
    Optional Last As Variant) As Variant
    Dim index As Long
    
    If IsMissing(First) Then First = LBound(arr)
    If IsMissing(Last) Then Last = UBound(arr)

    For index = First To Last
        ArraySum = ArraySum + arr(index)
    Next
End Function
Francesco Balena
 
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