Print Logical Tree : UI Element « Windows Presentation Foundation « VB.Net






Print Logical Tree

Print Logical Tree
      
<Window x:Class="WPFTrees.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="WPFTrees" Height="304" Width="702" Name="MyWindow">
  <DockPanel Name="DockPanel1">
    <StackPanel DockPanel.Dock="Left" Margin="6,4,4,4" >
      <Canvas Name="canvas1">
        <Button Name="button1">
          <Ellipse Name="ellipse1" Height="100" Width="100" Fill="Red"></Ellipse>
        </Button>
      </Canvas>
    </StackPanel>
    <Button DockPanel.Dock="Left" Height="20" Width="100" 
      HorizontalAlignment="Left" Margin="1,4,4,4" Click="buttonPrint_Click">Print Trees</Button>
  </DockPanel>
</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

Imports System.Collections

Namespace WPFTrees

  Public Partial Class Window1
    Inherits System.Windows.Window

    Public Sub New()
      InitializeComponent()
    End Sub
    Public Sub PrintLogicalTree(obj As [Object])
      If TypeOf obj Is FrameworkElement Then
        Dim element As FrameworkElement = DirectCast(obj, FrameworkElement)
        Console.WriteLine(element.[GetType]().ToString())

        Dim children As IEnumerable = LogicalTreeHelper.GetChildren(element)
        For Each child As [Object] In children
          PrintLogicalTree(child)
        Next
      End If
    End Sub

    Private Sub buttonPrint_Click(sender As [Object], e As RoutedEventArgs)
      PrintLogicalTree(Me.button1)
    End Sub

  End Class

End Namespace

   
    
    
    
    
    
  








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