Mega Code Archive
ArrayList LastIndexOf searches for Object and returns the zero-based index of the last occurrence
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Imports System
Imports System.Collections
Imports Microsoft.VisualBasic
Public Class SamplesArrayList
Public Shared Sub Main()
Dim myAL As New ArrayList()
myAL.Add("A")
myAL.Add("B")
myAL.Add("C")
myAL.Add("D")
myAL.Add("E")
myAL.Add("C")
myAL.Add("D")
myAL.Add("E")
myAL.Add("C")
myAL.Add("D")
myAL.Add("E")
PrintIndexAndValues(myAL)
Dim myString As [String] = "C"
Dim myIndex As Integer = myAL.LastIndexOf(myString)
Console.WriteLine("The last occurrence of ""{0}"" is at index {1}.", myString, myIndex)
myIndex = myAL.LastIndexOf(myString, 8)
Console.WriteLine("The last occurrence of ""{0}"" between the start and index 8 is at index {1}.", myString, myIndex)
myIndex = myAL.LastIndexOf(myString, 10, 6)
Console.WriteLine("The last occurrence of ""{0}"" between index 10 and index 5 is at index {1}.", myString, myIndex)
End Sub
Public Shared Sub PrintIndexAndValues(myList As IEnumerable)
Dim i as Integer
Dim obj As [Object]
For Each obj In myList
Console.WriteLine(" [{0}]: {1}", i, obj)
i = i + 1
Next obj
Console.WriteLine()
End Sub
End Class
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