Searches for the object and returns the index of the last occurrence

 

Imports System
Imports Microsoft.VisualBasic

Public Class SamplesArray    
    Public Shared Sub Main()
        Dim myArray As Array = Array.CreateInstance(GetType(String), 12)
        myArray.SetValue("1", 0)
        myArray.SetValue("2", 1)
        myArray.SetValue("3", 2)
        myArray.SetValue("4", 3)
        myArray.SetValue("5", 4)
        myArray.SetValue("6", 5)
        myArray.SetValue("7", 6)
        myArray.SetValue("8", 7)
        myArray.SetValue("4", 8)
        myArray.SetValue("10", 9)
        myArray.SetValue("11", 10)
        myArray.SetValue("12", 11)

        PrintIndexAndValues(myArray)

        ' Searches for the last occurrence of the duplicated value.
        Dim myString As String = "4"
        Dim myIndex As Integer = Array.LastIndexOf(myArray, myString)
        Console.WriteLine(myIndex)


    End Sub


    Public Shared Sub PrintIndexAndValues(myArray As Array)
        Dim i As Integer
        For i = myArray.GetLowerBound(0) To myArray.GetUpperBound(0)
            Console.WriteLine(myArray.GetValue(i))
        Next i
    End Sub
End Class

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Searches for the object and returns the index of the last occurrence : Array Search « Data Structure « VB.Net

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