vbscript
Objetos del diccionario

Crear diccionario y agregar artículos al diccionario

Dim oDic
Set oDic = CreateObject("Scripting.Dictionary")
oDic.Add "US", "United States of America"
oDic.Add "UK", "United Kingdom"

Comprobar si existe la clave en el diccionario

If oDic.Exists("US") Then
    msgbox "The Key US Exist. The value is " + oDic("US")
Else
    msgbox "Key Does not exist."
End If 

Eliminar artículo del diccionario

If oDic.Exists("UK") Then
    oDic.remove("UK")
End If

Iterar todos los elementos en el diccionario

set oDic = CreateObject("Scripting.Dictionary")
oDic.add "USA", "United States of America"
oDic.add "UK", "United Kingdom"
oDic.add "CAN", "Canada"

For Each obj in oDic.Items
    Msgbox obj
Next
Set oDic = Nothing

* Salida:

Estados Unidos de America

Reino Unido

Canadá

Iterar todas las claves en el diccionario

set oDic = CreateObject("Scripting.Dictionary")
oDic.add "USA", "United States of America"
oDic.add "UK", "United Kingdom"
oDic.add "CAN", "Canada"

For Each obj in oDic.keys
    Msgbox "Key: " & obj & " Value: " & oDic(obj)
Next
Set oDic = Nothing

Eliminar clave / claves del diccionario

set oDic = CreateObject("Scripting.Dictionary")
oDic.add "USA", "United States of America"
oDic.add "UK", "United Kingdom"
oDic.add "CAN", "Canada"

' Delete only if Key exists
If oDic.Exists("UK") Then
    oDic.Remove "UK"
End If    

' Delete all keys from Dictionary
oDic.removeAll 

Set oDic = Nothing