<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="AppWindowsSample" Height="200" Width="300" 
    xmlns:my="clr-namespace:System;assembly=mscorlib">
  <StackPanel>
    <Menu Name="menu1" >
      <MenuItem Header="Window" x:Name="windowMenu">
        <MenuItem Header="SubmenuOpened event" />
      </MenuItem>
    </Menu>
    <Button Margin="10" Name="newWindowButton" Height="23" VerticalAlignment="Top">New Window</Button>
    <StatusBar Grid.Row="2" Name="statusBar1" >
      <TextBlock x:Name="statusText">Status</TextBlock>
    </StatusBar>
    <Button Height="23" Margin="10" Name="shutdownButton" VerticalAlignment="Top" >Shutdown</Button>
  </StackPanel>
</Window>
//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.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Windows.Controls.Primitives;
using System.Diagnostics;
using System.ComponentModel;


namespace WpfApplication1 {
  public partial class Window1 : System.Windows.Window {

    public Window1() {
      InitializeComponent();

      DataContext = Application.Current.Windows;
      statusText.Text = Application.Current.ShutdownMode.ToString();

      newWindowButton.Click += new RoutedEventHandler(newWindowButton_Click);
      shutdownButton.Click += new RoutedEventHandler(shutdownButton_Click);
      windowMenu.SubmenuOpened += new RoutedEventHandler(windowMenu_SubmenuOpened);
      Closing += Window1_Closing;
    }

    public void windowMenu_SubmenuOpened(object sender, RoutedEventArgs e) {
      windowMenu.Items.Clear();
      foreach( Window window in Application.Current.Windows ) {
        MenuItem item = new MenuItem();
        item.Header = window.Title;
        item.Click += windowMenuItem_Click;
        item.Tag = window;
        item.IsChecked = window.IsActive;
        windowMenu.Items.Add(item);
      }
    }

    public void windowMenuItem_Click(object sender, RoutedEventArgs e) {
      Window window = (Window)((MenuItem)sender).Tag;
      window.Activate();
    }

    public void newWindowButton_Click(object sender, RoutedEventArgs e) {
      Window window = new Window();
      window.Title = "Window " + DateTime.Now;
      window.Width = 200;
      window.Height = 100;
      window.Show();
      statusText.Text = Application.Current.ShutdownMode.ToString();
    }

    void shutdownButton_Click(object sender, RoutedEventArgs e) {
      Application.Current.Shutdown();
    }

    void Window1_Closing(object sender, CancelEventArgs e) {
      if( MessageBox.Show("Do you really want to shut down?", "Shutting Down", MessageBoxButton.YesNo) == MessageBoxResult.No ) {
        e.Cancel = true;
      }
    }


  }
}

   
    
     

   
  

<Window x:Class="BookApp.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BookApp" Height="300" Width="300">
    <Grid>
      <Button Click="MyClickEvent" 
        VerticalAlignment="Top" 
        HorizontalAlignment="Stretch" 
        Grid.Column="0" 
        Grid.ColumnSpan="1" 
        Grid.Row="0" 
        Grid.RowSpan="1"
        Name="btnGo">Go</Button>
    </Grid>
</Window>

//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.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;


namespace BookApp
{
    public partial class Window1 : System.Windows.Window
    {
        public Window1()
        {
            InitializeComponent();

            Book x = new Book();
            x.author = "Author";
            x.title = "Title";
            x.price = (decimal)9.99;

            
            Application.Current.Properties["Book"] = x;
        }

        private void MyClickEvent(object sender, RoutedEventArgs e)
        {
            Book y = (Book)Application.Current.Properties["Book"];

            MessageBox.Show(y.title, y.author, MessageBoxButton.OK,MessageBoxImage.Hand);
        }

    }

    public class Book
    {
        public decimal price;
        public string title;
        public string author;
    }

}

   
    
     

   
  
<Application x:Class="Microsoft.Samples.WinFX.AlarmClock.MyApp"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Startup="AppStartup"
    >
</Application>

//File:Window.xaml.cs
using System;
using System.Windows;
using System.Data;
using System.Xml;
using System.Configuration;
using System.Windows.Media;

namespace Microsoft.Samples.WinFX.AlarmClock
{

    public partial class MyApp : Application
    {
        void AppStartup(object sender, StartupEventArgs e)
        {

        }

    }
}

   
    
     

   
  
<Application x:Class="TreeViewDataBinding.app"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Startup="AppStartup"
    >
    <Application.Resources>
         
    </Application.Resources>
</Application>


//File:Window.xaml.cs

using System;
using System.Windows;
using System.Data;
using System.Xml;
using System.Configuration;

namespace TreeViewDataBinding
{
    public partial class app : Application
    {

        void AppStartup(object sender, StartupEventArgs args)
        {
            this.DispatcherUnhandledException += new System.Windows.Threading.DispatcherUnhandledExceptionEventHandler(app_DispatcherUnhandledException);
        }

        void app_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
        {
            MessageBox.Show(e.Exception.Message);
        }
        
       

    }
}

   
    
     

   
  

<Application x:Class="SimpleXamlApp.MyApp"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    StartupUri="MainWindow.xaml" Exit="AppExit"
    >
</Application>
//File:Window.xaml.cs

using System;
using System.Windows;
using System.Windows.Controls;

namespace SimpleXamlApp
{
  public partial class MyApp : Application
  {
    void AppExit(object sender, ExitEventArgs e)
    {
      MessageBox.Show("App has exited");
      }
  }
}

   
    
     

   
  

<Window x:Class="BinaryResources.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BinaryResources" Height="300" Width="300">
    <Grid>
      <Image Source="c:/image.jpg" />
    </Grid>
</Window>
//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.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.IO;
using System.Reflection;
using System.Diagnostics;
using System.Threading;
using System.Resources;
using System.Collections;
using System.Windows.Resources;

namespace BinaryResources
{
    public partial class Window1 : System.Windows.Window
    {
        public Window1()
        {
            InitializeComponent();

            Uri resourcePath = new Uri("file:///c:/image.jpg", UriKind.Relative);
            StreamResourceInfo ri = Application.GetResourceStream(resourcePath);
            Stream data = ri.Stream;

            // data;
        }
    }
}

   
    
     

   
  

<Window x:Class="BinaryResources.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="BinaryResources" Height="300" Width="300">
    <Grid>
      <Image Source="c:image.jpg" />
    </Grid>
</Window>
//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.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.IO;
using System.Reflection;
using System.Diagnostics;
using System.Threading;
using System.Resources;
using System.Collections;
using System.Windows.Resources;

namespace BinaryResources
{
    public partial class Window1 : System.Windows.Window
    {
        public Window1()
        {
            InitializeComponent();
            Uri resourcePath = new Uri("MyResources.xaml");
            ResourceDictionary rd = (ResourceDictionary)Application.LoadComponent(resourcePath);
        }
    }
}