<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
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