Sorts the elements in the ArrayList using the specified comparer. : ArrayList « Data Structure « VB.Net






Sorts the elements in the ArrayList using the specified comparer.

 

Imports System
Imports System.Collections
Imports Microsoft.VisualBasic

Public Class SamplesArrayList
   Public Class myReverserClass
      Implements IComparer
      Public Function Compare( ByVal x As Object, ByVal y As Object) As Integer _
         Implements IComparer.Compare
         Return New CaseInsensitiveComparer().Compare(y, x)
      End Function 

   End Class
   Public Shared Sub Main()
      Dim myAL As New ArrayList()
      myAL.Add("A")
      myAL.Add("B")
      myAL.Add("C")
      myAL.Add("D")
      PrintIndexAndValues(myAL)
      myAL.Sort()
      PrintIndexAndValues(myAL)
      Dim myComparer = New myReverserClass()
      myAL.Sort(myComparer)
      PrintIndexAndValues(myAL)
   End Sub
   Public Shared Sub PrintIndexAndValues(myList As IEnumerable)
      Dim i As Integer = 0
      Dim obj As [Object]
      For Each obj In  myList
         Console.WriteLine(vbTab + "[{0}]:" + vbTab + "{1}", i, obj)
         i = i + 1
      Next obj
   End Sub

End Class

   
  








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