Finding the border that is generated by the ControlTemplate of the Button : ControlTemplate « Windows Presentation Foundation « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows Presentation Foundation
3. 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.cs
using System;
using System.Windows;
using System.Windows.Controls;

namespace WpfApplication1
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            Border borderInTemplate = (Border)button.Template.FindName("border", button);
            Console.WriteLine(borderInTemplate.GetValue(Border.ActualWidthProperty));
        }
    }
}

24.76.ControlTemplate
	24.76.1.	Control template: event trigger, border and text
	24.76.2.	Put a Control Template into a Style
	24.76.3.	Label with ControlTemplate
	24.76.4.	Specify Named Parts of a Control Template
	24.76.5.	ProgressBar with ControlTemplate
	24.76.6.	Simple ControlTemplate
	24.76.7.	ControlTemplate with Triggers
	24.76.8.	ControlTemplate that Respects Content
	24.76.9.	ControlTemplate that Respects More Properties
	24.76.10.	Use ControlTemplate and event handler
	24.76.11.	Finding the border that is generated by the ControlTemplate of the Button
	24.76.12.	Get The actual width of the border in the ControlTemplate
	24.76.13.	ControlTemplates and style xaml file
	24.76.14.	Enhance the visual appearance of a ContentControl by applying a style.
	24.76.15.	Use a ContentTemplate and determine whether the control contains content.