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NameObjectCollectionBase.BaseGetAllValues Method

Returns an Object array that contains all the values in the NameObjectCollectionBase instance.

Namespace:  System.Collections.Specialized
Assembly:  System (in System.dll)

'Declaration
Protected Function BaseGetAllValues As Object()
'Usage
Dim returnValue As Object()

returnValue = Me.BaseGetAllValues()

Return Value

Type: System.Object()
An Object array that contains all the values in the NameObjectCollectionBase instance.

This method is an O(n) operation, where n is Count.

The following code example uses BaseGetAllKeys and BaseGetAllValues to get an array of the keys or an array of the values.

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

Public Class MyCollection
   Inherits NameObjectCollectionBase

   Private _de As New DictionaryEntry()

   ' Gets a key-and-value pair (DictionaryEntry) using an index.
   Default Public ReadOnly Property Item(index As Integer) As DictionaryEntry
      Get
         _de.Key = Me.BaseGetKey(index)
         _de.Value = Me.BaseGet(index)
         Return _de
      End Get 
   End Property 

   ' Adds elements from an IDictionary into the new collection. 
   Public Sub New(d As IDictionary)
      Dim de As DictionaryEntry
      For Each de In  d
         Me.BaseAdd(CType(de.Key, String), de.Value)
      Next de
   End Sub 'New 

   ' Gets a String array that contains all the keys in the collection. 
   Public ReadOnly Property AllKeys() As String()
      Get 
         Return Me.BaseGetAllKeys()
      End Get 
   End Property 

   ' Gets an Object array that contains all the values in the collection. 
   Public ReadOnly Property AllValues() As Array
      Get 
         Return Me.BaseGetAllValues()
      End Get 
   End Property 

   ' Gets a String array that contains all the values in the collection. 
   Public ReadOnly Property AllStringValues() As String()
      Get 
         Return CType(Me.BaseGetAllValues(GetType(String)), String())
      End Get 
   End Property 

End Class 'MyCollection


Public Class SamplesNameObjectCollectionBase   

   Public Shared Sub Main()

      ' Creates and initializes a new MyCollection instance. 
      Dim d As New ListDictionary()
      d.Add("red", "apple")
      d.Add("yellow", "banana")
      d.Add("green", "pear")
      Dim myCol As New MyCollection(d)
      Console.WriteLine("Initial state of the collection (Count = {0}):", myCol.Count)
      PrintKeysAndValues(myCol)

      ' Displays the list of keys.
      Console.WriteLine("The list of keys:")
      Dim s As String 
      For Each s In  myCol.AllKeys
         Console.WriteLine("   {0}", s)
      Next s

      ' Displays the list of values of type Object.
      Console.WriteLine("The list of values (Object):")
      Dim o As Object
      For Each o In  myCol.AllValues
         Console.WriteLine("   {0}", o.ToString())
      Next o

      ' Displays the list of values of type String.
      Console.WriteLine("The list of values (String):")
      For Each s In  myCol.AllValues
         Console.WriteLine("   {0}", s)
      Next s

   End Sub 'Main

   Public Shared Sub PrintKeysAndValues(myCol As MyCollection)
      Dim i As Integer 
      For i = 0 To myCol.Count - 1
         Console.WriteLine("[{0}] : {1}, {2}", i, myCol(i).Key, myCol(i).Value)
      Next i
   End Sub 'PrintKeysAndValues

End Class 'SamplesNameObjectCollectionBase 


'This code produces the following output. 

'Initial state of the collection (Count = 3): 
'[0] : red, apple 
'[1] : yellow, banana 
'[2] : green, pear 
'The list of keys: 
'   red 
'   yellow 
'   green 
'The list of values (Object): 
'   apple 
'   banana 
'   pear 
'The list of values (String): 
'   apple 
'   banana 
'   pear

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

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