ArraySum – The sum of an array of any numeric type

' The sum of an array of any numeric type'' Example:'   Dim arr As Integer() = {3, 7, 8, 2, 0, 9}'   MessageBox.Show(ArraySum(arr))Function ArraySum(ByVal arr As Array) As Double    Return ArraySum(arr, arr.GetLowerBound(0), arr.GetUpperBound(0))End Function' This overloaded version allows you to specify which portion of the array ' should be consideredFunction ArraySum(ByVal arr As Array, ByVal first As Integer, _    ByVal last As Integer) As Double    Dim i As Integer    Dim sum As Double    For i = first To last        sum += CType(arr(i), Double)    Next    Return sumEnd Function

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