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Tip of the Day
Language: VB4,VB5,VB6,VBS
Expertise: beginner
Dec 23, 2000

ArrayMin - The value and index of lowest element in an array of any type

' Return the minimum value in an array of any type
'
' FIRST and LAST indicate which portion of the array
' should be considered; they default to the first
' and last element, respectively
' If MININDEX is passed, it receives the index of the
' minimum element in the array

Function ArrayMin(arr As Variant, Optional ByVal First As Variant, _
    Optional ByVal Last As Variant, Optional MinIndex As Long) As Variant
    Dim Index As Long
    
    If IsMissing(First) Then First = LBound(arr)
    If IsMissing(Last) Then Last = UBound(arr)

    MinIndex = First
    ArrayMin = arr(MinIndex)

    For Index = First + 1 To Last
        If ArrayMin > arr(Index) Then
            MinIndex = Index
            ArrayMin = arr(MinIndex)
        End If
    Next
End Function
Marco Bellinaso
 
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