Assign your own class to DataContent and bind to TextBox : Binding « Windows Presentation Foundation « VB.Net Tutorial

1. VB.Net Tutorial
2. Windows Presentation Foundation
3. Binding

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BindingWithFallback" Height="300" Width="300">
    <StackPanel>
      <TextBox Text="{Binding Path=FastProperty, Mode=OneWay}" IsReadOnly="True" />
    </StackPanel>
</Window>

//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 FastProperty() As String
      Get
        Return "AAA"
      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

16.95.Binding
	16.95.1.	Bind to a Property of a UI Element
	16.95.2.	Bind a Property of an Element to Itself
	16.95.3.	Specify a Default Value for a Binding
	16.95.4.	Create a Two-Way Binding
	16.95.5.	Debug Bindings Using Attached Properties
	16.95.6.	String Array Resource
	16.95.7.	Bind animate target value to Canvas(Window) width
	16.95.8.	Display Current Date and Time: binding the DateTime.Now to Label
	16.95.9.	One way and two way binding
	16.95.10.	Custom Element Binding Window
	16.95.11.	Get XmlElement from Bounded view
	16.95.12.	Customize UpdateSourceExceptionFilter
	16.95.13.	Assign your own class to DataContent and bind to TextBox
	16.95.14.	Async binding
	16.95.15.	Null property binding
	16.95.16.	Binding Property with Exception
	16.95.17.	Hierarchical Binding for three level nested objects
	16.95.18.	BindingOperations.GetBindingExpression
	16.95.19.	Bind to enum types
	16.95.20.	Bind to a Method
	16.95.21.	Manual Update Target
	16.95.22.	Bind to the Values of an Enumeration
	16.95.23.	Master Detail Binding
	16.95.24.	Data binding using collections composed of mixed types of data.
	16.95.25.	Binding Environment Info
	16.95.26.	Bind to an ADO.NETDataSet
	16.95.27.	Text Data Binding
	16.95.28.	Bind to an Existing Object Instance
	16.95.29.	Digital Clock
	16.95.30.	Use Data Triggers to Change the Appearance of Bound Data