Get The actual width of the border in the ControlTemplate : ControlTemplate « Windows Presentation Foundation « VB.Net Tutorial

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VB.Net Tutorial » Windows Presentation Foundation » ControlTemplate 
16.106.6.Get The actual width of the border in the ControlTemplate
<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="WPF" Height="100" Width="160">

    <Window.Resources>
        <ControlTemplate x:Key="buttonTemplate" TargetType="{x:Type Button}">
            <Border x:Name="border" BorderThickness="3" BorderBrush="DarkGray" Background="LightGray">
                <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
            </Border>
            <ControlTemplate.Triggers>
                <Trigger Property="IsMouseOver" Value="True">
                    <Setter TargetName="border" Property="Background" Value="Orange"/>
                </Trigger>
            </ControlTemplate.Triggers>
        </ControlTemplate>
    </Window.Resources>
    <Grid>
        <Button x:Name="button" Height="24" HorizontalAlignment="Stretch" Content="Custom Template"
                Template="{StaticResource buttonTemplate}" Click="Button_Click">
        </Button>
    </Grid>
</Window>
//File:Window.xaml.vb
Imports System
Imports System.Windows
Imports System.Windows.Controls

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub

    Private Sub Button_Click(sender As Object, e As RoutedEventArgs)
      Dim borderInTemplate As Border = DirectCast(button.Template.FindName("border", button), Border)
      Console.WriteLine(borderInTemplate.GetValue(Border.ActualWidthProperty))
    End Sub
  End Class
End Namespace
WPF Get The Actual Width Of The Border In The Control Template
16.106.ControlTemplate
16.106.1.Button With Template: change borderButton With Template: change border
16.106.2.Create a Control TemplateCreate a Control Template
16.106.3.Create a Control Template That Can Be Customized by PropertiesCreate a Control Template That Can Be Customized by Properties
16.106.4.Use ControlTemplate and event handlerUse ControlTemplate and event handler
16.106.5.Finding the border that is generated by the ControlTemplate of the ButtonFinding the border that is generated by the ControlTemplate of the Button
16.106.6.Get The actual width of the border in the ControlTemplateGet The actual width of the border in the ControlTemplate
16.106.7.ControlTemplates and style xaml fileControlTemplates and style xaml file
16.106.8.Use a ContentTemplate and determine whether the control contains content.Use a ContentTemplate and determine whether the control contains content.
16.106.9.Enhance the visual appearance of a ContentControl by applying a style.Enhance the visual appearance of a ContentControl by applying a style.
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