<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="XML Data Binding">
  <Window.Resources>
    <XmlDataProvider x:Key="dataProvider" XPath="Employees">
      <x:XData>
        <Employees xmlns="">
          <Employee Type="Beginner">
            <YearOfWorking>1</YearOfWorking>
          </Employee>
          <Employee Type="Intermediate">
            <YearOfWorking>2</YearOfWorking>
          </Employee>
          <Employee Type="Advanced">
            <YearOfWorking>3</YearOfWorking>
          </Employee>
        </Employees>
      </x:XData>
    </XmlDataProvider>
  </Window.Resources>
  <Grid>
    <ListBox ItemsSource="{Binding Source={StaticResource dataProvider},XPath=Employee/YearOfWorking}" />
  </Grid>
</Window>

   
    
    
    
     

   
      



<Page
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <StackPanel 
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <TextBlock>
      Hello, World!
    </TextBlock>
  </StackPanel>
</Page>

   
    
    
    
    
    
     

   
      
<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"
    >
  <x:Code>
    void AppExit(object sender, ExitEventArgs e)
    {
      MessageBox.Show("App has exited");
    }
  </x:Code>
</Application>

   
    
    
    
    
    
     

   
  

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="250" Width="250" Loaded="Window_Loaded">
    <Canvas Name="canvas1">
    </Canvas>
</Window>
//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Linq;
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.Navigation;
using System.Windows.Shapes;

namespace WpfApplication1
{

    public partial class Window1 : Window
    {
        Button button1 = null;
        Button button2 = null;
        Button button3 = null;

        public Window1()
        {
            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            button1 = new Button { Content = "Button", Width = 70, Height = 23 };
            Canvas.SetLeft(button1, 119);
            Canvas.SetTop(button1, 24);
            canvas1.Children.Add(button1);
            button2 = new Button { Content = "Wider" };
            Canvas.SetLeft(button2, 44);
            Canvas.SetTop(button2, 69);
            canvas1.Children.Add(button2);
            button3 = new Button { Content = "Button" };
            Canvas.SetLeft(button3, 78);
            Canvas.SetTop(button3, 119);
            button3.Padding = new Thickness(10, 2, 10, 2);
            canvas1.Children.Add(button3);
        }
    }
}

   
    
     

   
  

<Window
  x:Class="WpfApplication1.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="Hello, WPF">
  <Button x:Name="button" Width="200" Height="25" Click="button_Click">Click me</Button>
</Window>



//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Media;
using System.Windows.Shapes;


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

    void button_Click(object sender, RoutedEventArgs e) {
      MessageBox.Show("You", "Nice!");
    }
  }
}

   
    
     

   
  

<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" SizeToContent="Height" Width="300">
    <Grid Name="grid">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Border Grid.Column="0" BorderBrush="Gray" BorderThickness="1" />
        <Border Grid.Column="1" BorderBrush="Gray" BorderThickness="1" />
        <StackPanel Grid.Column="0" HorizontalAlignment="Center" Margin="5" Name="spLeftContainer">
            <TextBlock FontSize="16" Text="Radio Group 1" />
            <RadioButton Content="Radio Button 1A" GroupName="Group1" IsChecked="True" Margin="5" Name="rbnOneA" />
            <RadioButton Content="Radio Button 1B" GroupName="Group1" Margin="5" Name="rbnOneB" />
            <RadioButton Content="Radio Button 1C" GroupName="Group1" Margin="5" Name="rbnOneC" />
            <Separator/>
            <TextBlock FontSize="16" Text="Radio Group 2" />
            <RadioButton Checked="RadioButton_Checked" GroupName="Group2" Content="Radio Button 2A" IsChecked="True" 
                         Margin="5" Name="rbnTwoA" />
            <RadioButton Checked="RadioButton_Checked" GroupName="Group2" Content="Radio Button 2B" Margin="5" Name="rbnTwoB"/>
            <RadioButton Checked="RadioButton_Checked" GroupName="Group2" Content="Radio Button 2C" Margin="5" Name="rbnTwoC"/>
        </StackPanel>
        <StackPanel Grid.Column="1" HorizontalAlignment="Center" Margin="5" Name="spRightContainer">
            <TextBlock FontSize="16" Text="Radio Group 1" />
            <RadioButton Content="Radio Button 1D" GroupName="Group1" Margin="5" Name="rbnOneD" />
            <RadioButton Content="Radio Button 1E" GroupName="Group1" Margin="5" Name="rbnOneE" />
        </StackPanel>
        <Button Content="Show Group1 Selection" Grid.ColumnSpan="2" Grid.Row="1" HorizontalAlignment="Center" 
                Margin="10" MaxHeight="25" Click="Button_Click" />
    </Grid>
</Window>

//File:Window.xaml.cs
using System;
using System.Linq;
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)
        {
            RadioButton radioButton = null;
            radioButton = GetCheckedRadioButton(spLeftContainer.Children, "Group1");
            if (radioButton == null)
            {
                radioButton = GetCheckedRadioButton(spRightContainer.Children, "Group1");
            }
            MessageBox.Show(radioButton.Content + " checked.", Title);
        }
        private RadioButton GetCheckedRadioButton(UIElementCollection children, String groupName)
        {
            return children.OfType<RadioButton>().FirstOrDefault( rb => rb.IsChecked == true &amp;&amp; rb.GroupName == groupName);
        }
        private void RadioButton_Checked(object sender, RoutedEventArgs e)
        {
            if (!this.IsInitialized) return;
            RadioButton radioButton = e.OriginalSource as RadioButton;

            if (radioButton != null)
            {
                MessageBox.Show(radioButton.Content + " checked.", Title);
            }
        }
    }
}

   
    
     

   
  

<Window x:Class="MyFirstWPFApp.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MyFirstWPFApp" Height="336" Width="343">
  <Grid>      
      <Button Click="MyClickEvent" VerticalAlignment="Top" HorizontalAlignment="Left"
         Grid.Column="0" Grid.ColumnSpan="1" Grid.Row="0" Grid.RowSpan="1" Margin="43,61,0,0"
         Width="75" Height="23" 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 MyFirstWPFApp
{
    public partial class Window1 : System.Windows.Window
    {

        private void MyClickEvent(object sender, RoutedEventArgs e)
        {
            MessageBox.Show("A!", "Message", MessageBoxButton.OK, MessageBoxImage.Hand);
        }

        public Window1()
        {
            InitializeComponent();
        }

    }
}