VB.Net Tutorial/Collections/CollectionsUtil

CollectionsUtil.CreateCaseInsensitiveSortedList

<source lang="vbnet">Imports System.Collections.Specialized Imports System.Collections public class Test

  public Shared Sub Main
       Dim sorted_list As SortedList
       " Use a normal, case-sensitive SortedList.
       sorted_list = New SortedList
       sorted_list.Add("Sport", "Volleyball")
       sorted_list.Add("sport", "Golf")        " Okay because Sport <> sport.
       " Use a case-insensitive SortedList.
       sorted_list = CollectionsUtil.CreateCaseInsensitiveSortedList()
       sorted_list.Add("Sport", "Volleyball")
       sorted_list.Add("sport", "Golf")        " Error because Sport = sport.
  End Sub
  

End class</source>

Unhandled Exception: System.ArgumentException: Item has already been added. Key in dictionary: "Spor
t"  Key being added: "sport"
   at System.Collections.SortedList.Add(Object key, Object value)
   at Test.Main()