'Visual Basic 2010 Dynamic Binding Static Typing en Dynamic Binding
Class Counter
    Protected m_Value As Integer
    Public Sub New(ByVal value As Integer)
        m_Value = value
    End Sub
    Public ReadOnly Property Value() As Integer
        Get
            Value = m_Value
        End Get
    End Property
    Public Overridable Sub Raise()
        m_Value += 1
    End Sub
End Class
Class SpecialCounter : Inherits Counter
    Public Sub New(ByVal value As Integer, ByVal stepValue As Integer)
        MyBase.New(value)
        Me.StepValue = stepValue
    End Sub
    Private m_StepValue As Integer
    Public Property StepValue() As Integer
        Get
            StepValue = m_StepValue
        End Get
        Set(ByVal StepValue As Integer)
            m_StepValue = StepValue
        End Set
    End Property
    Public Overrides Sub Raise()
        m_Value += StepValue
    End Sub
End Class
Class Example3
    Public Shared Sub Main()
        Dim counter1 As Counter = New Counter(10)
        Console.WriteLine(counter1.Value)
        counter1.Raise()
        Console.WriteLine(counter1.Value)
        '
        Dim counter2 As Counter = New SpecialCounter(20, 5)
        Console.WriteLine(counter2.Value)
        counter2.Raise()                                                  ' (1)
        Console.WriteLine(counter2.Value)                                 ' (2)
        '
        Console.ReadLine()
    End Sub
End Class
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