Find enclosure component : UI Element « Windows Presentation Foundation « VB.Net

Find enclosure component

     

<Window x:Class="VisualTree.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="VisualTree" Height="300" Width="300">
  <Grid>      
      <Button Click="MyClickEvent" Name="btnGo">
        <TextBox Width="173" Height="27" Name="txt">
        </TextBox>        
      </Button>      
    </Grid>  
</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 VisualTree
  Public Partial Class Window1
    Inherits System.Windows.Window
    Public Sub New()
      InitializeComponent()
    End Sub
    Private Sub MyClickEvent(sender As Object, e As RoutedEventArgs)
      Dim desiredNode As Object = btnGo.FindName("txt")
      If TypeOf desiredNode Is TextBox Then
        Dim desiredChild As TextBox = TryCast(desiredNode, TextBox)
        desiredChild.Background = Brushes.Green
      End If
    End Sub

  End Class
End Namespace

1.	Clear locally set values and restore the default values of dependency properties
2.	PresentationTraceSources.SetTraceLevel(binding,PresentationTraceLevel.High);
3.	UI Element Mouse Clicked Events
4.	Programmatically Extract an Element's Style with DefaultStyleKeyProperty
5.	Print Logical Tree
6.	Print Visual Tree
7.	About Dialog with Tree Walking
8.	Changing graphical elements
9.	UIElement Count
10.	Use Linq to get control from a container
11.	Find inner visual element
12.	Logical Visual Tree Sample
13.	Point Hit Test with VisualTreeHelper.HitTest
14.	Change the Visibility property of a UIElement.
15.	Mixing graphics with Control Elements

Find enclosure component : UI Element « Windows Presentation Foundation « VB.Net

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