Determine the index of the first occurrence of a specified element. : ArrayList « Collections « VB.Net Tutorial

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VB.Net Tutorial » Collections » ArrayList 
8.11.10.Determine the index of the first occurrence of a specified element.
Imports System
Imports System.Collections
Imports Microsoft.VisualBasic

Public Class MainClass
    Public Shared Sub Main()
         Dim myAL As New ArrayList()
        myAL.Add("the")
        myAL.Add("quick")
        myAL.Add("brown")
        myAL.Add("fox")
        myAL.Add("jumps")
        myAL.Add("over")
        myAL.Add("the")
        myAL.Add("lazy")
        myAL.Add("dog")
        myAL.Add("in")
        myAL.Add("the")
        myAL.Add("barn")

        Console.WriteLine("The ArrayList contains the following values:")
        PrintIndexAndValues(myAL)

        Dim myString As [String"the"
        Dim myIndex As Integer = myAL.IndexOf(myString)
        Console.WriteLine("The first occurrence of ""{0}"" is at index {1}.", myString, myIndex)

        myIndex = myAL.IndexOf(myString, 4)
        Console.WriteLine(myIndex)

        myIndex = myAL.IndexOf(myString, 66)
        Console.WriteLine(myIndex)

        myIndex = myAL.IndexOf(myString, 11)
        Console.WriteLine(myIndex)



    End Sub

    Public Shared Sub PrintIndexAndValues(ByVal myList As IEnumerable)
        Dim As Integer
        Dim obj As [Object]
        For Each obj In myList
            Console.WriteLine("[{0}]:{1}", i, obj)
            i = i + 1
        Next obj
    End Sub
End Class
8.11.ArrayList
8.11.1.Add user defined object to ArrayList
8.11.2.Add different data types to ArrayList
8.11.3.Use ArrayList to store objects
8.11.4.Use For Each to loop through the ArrayList
8.11.5.Convert ArrayList to array
8.11.6.Use DirectCast to convert ArrayList to array
8.11.7.Use ArrayList.Contains to check if a object already exists
8.11.8.Remove element in an ArrayList by index
8.11.9.Sort the values in ArrayList using the default comparer and a custom comparer that reverses the sort order.
8.11.10.Determine the index of the first occurrence of a specified element.
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