' Shuffle the elements of an array of any type'' Example:' Dim arr As Integer() = {3, 7, 8, 2, 0, 9}' ArrayShuffle(arr)' Dim o As Object' For Each o In arr' Debug.Write(o & " ")' Next' Debug.WriteLine("")Sub ArrayShuffle(ByVal arr As Array) Dim i, newIndex As Integer Dim tmpValue As Object Dim rand As New Random Dim first As Integer = arr.GetLowerBound(0) Dim last As Integer = arr.GetUpperBound(0) For i = last To first + 1 Step -1 ' evaluate a random index for the current item newIndex = first + rand.Next(i + 1) ' swap the two items tmpValue = arr(i) arr(i) = arr(newIndex) arr(newIndex) = tmpValue NextEnd Sub
Charlie has over a decade of experience in website administration and technology management. As the site admin, he oversees all technical aspects of running a high-traffic online platform, ensuring optimal performance, security, and user experience.
