ListDictionary.Contains Method tells whether the ListDictionary contains a specific key. : List « Data Structure « VB.Net






  1. VB.Net
  2. Data Structure
  3. List

ListDictionary.Contains Method tells whether the ListDictionary contains a specific key.

 

Imports System
Imports System.Collections
Imports System.Collections.Specialized

Public Class SamplesListDictionary   

   Public Shared Sub Main()
      Dim myCol As New ListDictionary()
      myCol.Add("A", "a")
      myCol.Add("B", "b")
      myCol.Add("C", "c")

      PrintKeysAndValues(myCol)

      If myCol.Contains("Kiwis") Then
         Console.WriteLine("The collection contains the key ""Kiwis"".")
      Else
         Console.WriteLine("The collection does not contain the key ""Kiwis"".")
      End If
   End Sub 'Main

   Public Shared Sub PrintKeysAndValues(myCol As IDictionary)
      Dim de As DictionaryEntry
      For Each de In  myCol
         Console.WriteLine("   {0,-25} {1}", de.Key, de.Value)
      Next de
   End Sub 

End Class








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