WPF VB.Net

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BindingWithFallback" Height="300" Width="300">
    
      
    


//File:Window.xaml.vb
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Shapes
Namespace WpfApplication1
  Class [MyClass]
    Public ReadOnly Property NullProperty() As [MyClass]
      Get
        Return Nothing
      End Get
    End Property
  End Class
  Public Partial Class Window1
    Inherits System.Windows.Window
    Public Sub New()
      InitializeComponent()
      DataContext = New [MyClass]()
    End Sub
  End Class
End Namespace