About Dialog with Tree Walking : UI Element « Windows Presentation Foundation « VB.Net Tutorial

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VB.Net Tutorial » Windows Presentation Foundation » UI Element 
16.50.8.About Dialog with Tree Walking
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  x:Class="AboutDialog" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="About WPF Unleashed" SizeToContent="WidthAndHeight"
  Background="OrangeRed">
  <StackPanel>
  <Label FontWeight="Bold" FontSize="20" Foreground="White">
    WPF
  </Label>
  <Label>License</Label>
  <Label>Installed Dll:</Label>
  <ListBox>
      <ListBoxItem>1</ListBoxItem>
      <ListBoxItem>2</ListBoxItem>
      <ListBoxItem>3</ListBoxItem>
      <ListBoxItem>4</ListBoxItem>
      <ListBoxItem>5</ListBoxItem>
      <ListBoxItem>6</ListBoxItem>
      <ListBoxItem>7</ListBoxItem>
      <ListBoxItem>8</ListBoxItem>
      <ListBoxItem>9</ListBoxItem>

  </ListBox>
  <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
    <Button MinWidth="75" Margin="10">Help</Button>
    <Button MinWidth="75" Margin="10">OK</Button>
  </StackPanel>
  <StatusBar>text</StatusBar>
  </StackPanel>
</Window>
//File:Window.xaml.vb

Imports System
Imports System.Diagnostics
Imports System.Windows
Imports System.Windows.Media

Public Partial Class AboutDialog
  Inherits Window
  Public Sub New()
    InitializeComponent()
  End Sub

  Protected Overrides Sub OnContentRendered(As EventArgs)
    MyBase.OnContentRendered(e)
    PrintVisualTree(Me)
  End Sub
  Private Sub PrintVisualTree(obj As DependencyObject)
    Debug.WriteLine(obj)
    For i As Integer = To VisualTreeHelper.GetChildrenCount(obj1
      PrintVisualTree(VisualTreeHelper.GetChild(obj, i))
    Next
  End Sub
End Class
WPF About Dialog With Tree Walking
16.50.UI Element
16.50.1.Find enclosure componentFind enclosure component
16.50.2.Clear locally set values and restore the default values of dependency propertiesClear locally set values and restore the default values of dependency properties
16.50.3.PresentationTraceSources.SetTraceLevel(binding,PresentationTraceLevel.High);PresentationTraceSources.SetTraceLevel(binding,PresentationTraceLevel.High);
16.50.4.UI Element Mouse Clicked EventsUI Element Mouse Clicked Events
16.50.5.Programmatically Extract an Element's Style with DefaultStyleKeyPropertyProgrammatically Extract an Element's Style with DefaultStyleKeyProperty
16.50.6.Print Logical TreePrint Logical Tree
16.50.7.Print Visual TreePrint Visual Tree
16.50.8.About Dialog with Tree WalkingAbout Dialog with Tree Walking
16.50.9.Changing graphical elementsChanging graphical elements
16.50.10.UIElement CountUIElement Count
16.50.11.Use Linq to get control from a containerUse Linq to get control from a container
16.50.12.Find inner visual elementFind inner visual element
16.50.13.Logical Visual Tree SampleLogical Visual Tree Sample
16.50.14.Point Hit Test with VisualTreeHelper.HitTestPoint Hit Test with VisualTreeHelper.HitTest
16.50.15.Change the Visibility property of a UIElement.Change the Visibility property of a UIElement.
16.50.16.Mixing graphics with Control ElementsMixing graphics with Control Elements
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