Public Class BindingProxy
   Inherits Freezable

   Protected Overrides Function CreateInstanceCore() As Freezable
      Return New BindingProxy()
   End Function

   Public Property Data As Object
      Get
         Return CObj(GetValue(DataProperty))
      End Get
      Set(ByVal value As Object)
         SetValue(DataProperty, value)
      End Set
   End Property

   Public Shared ReadOnly DataProperty As DependencyProperty = DependencyProperty.Register("Data", GetType(Object), GetType(BindingProxy), New UIPropertyMetadata(Nothing))

End Class