Insert to a Panel by index : DockPanel « Windows Presentation Foundation « VB.Net Tutorial

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

<StackPanel
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="WpfApplication1.RoutedEventAddRemoveHandler" 
  Name="root">
    <StackPanel.Resources>
      <Style TargetType="{x:Type Button}">
        <Setter Property="Height" Value="20"/>
        <Setter Property="Width" Value="250"/>
        <Setter Property="HorizontalAlignment" Value="Left"/>
      </Style>
    </StackPanel.Resources>
  <TextBlock Name="text1">Clicking the button below</TextBlock>
  <Button Name="b1" Click="MakeButton">Make new button and add handler to it</Button>
</StackPanel>
//File:Window.xaml.vb

Imports System.Windows
Imports System.Windows.Controls

Namespace WpfApplication1
  Public Partial Class RoutedEventAddRemoveHandler

    Private Sub MakeButton(sender As Object, e As RoutedEventArgs)
      Dim b2 As New Button()
      b2.Content = "New Button"
      root.Children.Insert(root.Children.Count, b2)
      DockPanel.SetDock(b2, Dock.Top)
      text1.Text = "click me..."
      b1.IsEnabled = False
    End Sub
  End Class
End Namespace

16.42.DockPanel
	16.42.1.	Using DockPanel.Dock to position elements
	16.42.2.	Use DockPanel to layout a Window
	16.42.3.	Nested DockPanel
	16.42.4.	Fill DockPanel with Labels and Buttons
	16.42.5.	Window with DockLayout
	16.42.6.	Dock UI Elements to the Edges of a Form
	16.42.7.	Put a StackPanel on the Left
	16.42.8.	Set Dock position for DockPanel layout
	16.42.9.	Differences of StackPanel and DockPanel
	16.42.10.	Insert to a Panel by index
	16.42.11.	Get all children from a Panel
	16.42.12.	Find the index number of a newly added element within a panel, using the IndexOf method
	16.42.13.	Show the effect of each value of the Dock property by manipulating two Rectangle elements.