Imports System
Imports System.Collections
Imports System.Collections.Specialized
Public Class MyCollection
Inherits NameObjectCollectionBase
Default Public Property Item(index As Integer) As [Object]
Get
Return Me.BaseGet(index)
End Get
Set
Me.BaseSet(index, value)
End Set
End Property
Default Public Property Item(key As [String]) As [Object]
Get
Return Me.BaseGet(key)
End Get
Set
Me.BaseSet(key, value)
End Set
End Property
Public ReadOnly Property AllKeys() As [String]()
Get
Return Me.BaseGetAllKeys()
End Get
End Property
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
End Class
Public Class SamplesNameObjectCollectionBase
Public Shared Sub Main()
Dim d = New ListDictionary()
d.Add("A", "a")
d.Add("B", "b")
d.Add("P", "p")
Dim myCol As New MyCollection(d)
PrintKeysAndValues2(myCol)
Console.WriteLine()
myCol(1) = "AAAAA"
PrintKeysAndValues2(myCol)
Console.WriteLine()
myCol("A") = "QQQQQ"
PrintKeysAndValues2(myCol)
End Sub
Public Shared Sub PrintKeysAndValues2(myCol As MyCollection)
Dim s As [String]
For Each s In myCol.AllKeys
Console.WriteLine("{0}, {1}", s, myCol(s))
Next s
End Sub
End Class
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