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Navigation Basics

<NavigationWindow     x:Class="WpfApplication1.Window1"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="NavigationBasics"     Height="300"     Width="300"> </NavigationWindow> //File:Window.xaml.cs using System; using System.Collections.Generic; using System.Text; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; using System.Windows.Navigation; using System.Windows.Documents; using System.Diagnostics; namespace WpfApplication1 {   public partial class Window1 : NavigationWindow {     Hyperlink link1 = new Hyperlink();     Hyperlink link2 = new Hyperlink();     TextBlock text1 = new TextBlock();     TextBlock text2 = new TextBlock();     public Window1() {       InitializeComponent();       text1.Inlines.Add(link1);       text1.VerticalAlignment = VerticalAlignment.Bottom;       text1.Loaded += text1_Loaded;       link1.Inlines.Add("Click to see page 2");       link1.Click += link1_Click;       text2.Inlines.Add(link2);       text2.VerticalAlignment = VerticalAlignment.Bottom;       text2.Loaded += text2_Loaded;       link2.Inlines.Add("Click to go back to page 1");       link2.Click += link2_Click;       this.Navigate(text1);       Button button1 = new Button();       Button button2 = new Button();       button1.Content = "Click to see Button 2";       button1.Loaded += delegate(object sender, RoutedEventArgs e2) {           ((NavigationWindow)button1.Parent).Title = "Welcome to button1";       };       button1.Click += delegate(object sender, RoutedEventArgs e2) {           this.Navigate(button2);       };       button2.Content = "Click to go back to Button 1";       button2.Loaded += delegate(object sender, RoutedEventArgs e2) {           ((NavigationWindow)button2.Parent).Title = "Welcome to button2";       };       button2.Click += delegate(object sender, RoutedEventArgs e2) {          ((NavigationWindow)button2.Parent).GoBack();       };       this.Navigate(button1);     }     void text1_Loaded(object sender, RoutedEventArgs e) {       Title = "Welcome to Page 1";     }     void text2_Loaded(object sender, RoutedEventArgs e) {       Title = "Welcome to Page 2";     }     void link1_Click(object sender, RoutedEventArgs e) {       Navigate(text2);     }     void link2_Click(object sender, RoutedEventArgs e) {       NavigationService navService = NavigationService.GetNavigationService((DependencyObject)sender);       navService.GoBack();     }   } }