<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ImageElementExample.FormatConvertedExample"
    Title="FormatConverted Example"
    Loaded="PageLoaded">
   <Page.Resources>
      <BitmapImage x:Key="masterImage" UriSource="c:image.jpg" />
   </Page.Resources>
   <DockPanel>
      <Image Width="200" Source="{StaticResource masterImage}" />
      <Grid Name="convertedGrid" DockPanel.Dock="Top">
         <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="Auto" />
         </Grid.ColumnDefinitions>
         <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
         </Grid.RowDefinitions>
         <Image Width="200" Grid.Column="0" Grid.Row="1">
            <Image.Source>
               <FormatConvertedBitmap Source="{StaticResource masterImage}"  DestinationFormat="Gray4" />
            </Image.Source>
         </Image>
      </Grid>
   </DockPanel>
</Page>
//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Documents;
using System.Windows.Controls;
using System.Windows.Navigation;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace ImageElementExample
{
   public partial class FormatConvertedExample : Page
   {
      public FormatConvertedExample()
      {
      }
      public void PageLoaded(object sender, RoutedEventArgs args)
      {
         Image grayImage = new Image();
         grayImage.Width = 200;
         grayImage.Margin = new Thickness(5);

         FormatConvertedBitmap fcb = new FormatConvertedBitmap((BitmapImage)this.Resources["masterImage"],PixelFormats.Gray4,null,0);
         grayImage.Source = fcb;

         Grid.SetColumn(grayImage, 2);
         Grid.SetRow(grayImage, 1);
         convertedGrid.Children.Add(grayImage);
      }
   }
}

   
    
     

   
  

<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ImageElementExample.CroppedImageExample"
    Title="CroppedImage Example"
    Loaded="PageLoaded">
    <Page.Resources>
       <BitmapImage x:Key="masterImage" UriSource="c:image.jpg" />
       <CroppedBitmap x:Key="croppedImage" Source="{StaticResource masterImage}" SourceRect="30 20 105 50"/>
    </Page.Resources>
    <StackPanel>
         <Image Width="200" Source="{StaticResource masterImage}"/>
         <Image Width="200" Source="{StaticResource croppedImage}"/>
         <Image Width="200">
            <Image.Source>
               <CroppedBitmap Source="{StaticResource croppedImage}" SourceRect="30 0 75 50"/>
            </Image.Source>
         </Image>
    </StackPanel>
</Page>

//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Documents;
using System.Windows.Controls;
using System.Windows.Navigation;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;


namespace ImageElementExample
{
   public partial class CroppedImageExample : Page
   {
      public CroppedImageExample()
      {
      }

      public void PageLoaded(object sender, RoutedEventArgs args)
      {
         Image croppedImage = new Image();
         croppedImage.Width = 200;
         croppedImage.Margin = new Thickness(5);

         CroppedBitmap cb = new CroppedBitmap((BitmapSource)this.Resources["masterImage"],new Int32Rect(30, 20, 105, 50));  
         croppedImage.Source = cb;                 

         Image chainImage = new Image();
         chainImage.Width = 200;

         CroppedBitmap chained = new CroppedBitmap(cb,new Int32Rect(30, 0, (int)cb.Width-30, (int)cb.Height)); 
         chainImage.Source = chained;
      }
   }
}

   
    
     

   
  
<StackPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation">

    <Button Name="MyButton" HorizontalAlignment="Center" Margin="24">Button</Button>

    <Ellipse Width="200" Height="100" Margin="24" Stroke="Red" StrokeThickness="10" />

    <ListBox Width="100" Height="100" Margin="24">
        <ListBoxItem>Sunday</ListBoxItem>
        <ListBoxItem>Monday</ListBoxItem>
        <ListBoxItem>Tuesday</ListBoxItem>
    </ListBox>

</StackPanel>
//File:Window.xaml.cs
using System;
using System.IO;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;

namespace MyNameSpace.LoadXamlResource
{
    public class LoadXamlResource : Window
    {

        public LoadXamlResource()
        {
            Title = "Load Xaml Resource";

            Uri uri = new Uri("pack://application:,,,/LoadXamlResource.xml");
            Stream stream = Application.GetResourceStream(uri).Stream;
            FrameworkElement el = XamlReader.Load(stream) as FrameworkElement;
            Content = el;

            Button btn = el.FindName("MyButton") as Button;

            if (btn != null)
                btn.Click += ButtonOnClick;
        }
        void ButtonOnClick(object sender, RoutedEventArgs args)
        {
            Console.WriteLine(args.Source.ToString());
        }
    }
}

   
    
     

   
  


<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="GradientBrushResourceDemo" Height="300" Width="300">
    <Window.Resources>
        <LinearGradientBrush x:Key="brushGradient"
                             StartPoint="0, 0"
                             EndPoint="1, 1">
            <LinearGradientBrush.GradientStops>
                <GradientStop Offset="0" Color="Black" />
                <GradientStop Offset="0.5" Color="Green" />
                <GradientStop Offset="1" Color="Gold" />
            </LinearGradientBrush.GradientStops>
        </LinearGradientBrush>
    </Window.Resources>
    <StackPanel>
        <TextBlock Margin="{StaticResource thicknessMargin}"
               Foreground="{StaticResource brushGradient}">
            Gradient text
        </TextBlock>
        <TextBlock Margin="{StaticResource thicknessMargin}"
                   Foreground="{StaticResource brushGradient}">
            Of black, green, and gold
        </TextBlock>
        <TextBlock Margin="{StaticResource thicknessMargin}"
                   Foreground="{StaticResource brushGradient}">
            Makes an app pretty,
        </TextBlock>
        <TextBlock Margin="{StaticResource thicknessMargin}"
                   Foreground="{StaticResource brushGradient}">
            Makes an app bold.
        </TextBlock>
    </StackPanel>
</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.Media.Imaging;
using System.Windows.Shapes;

namespace WpfApplication1
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            Resources.Add("thicknessMargin", new Thickness(24, 12, 24, 23));

            InitializeComponent();
        }
    }
}

   
    
     

   
  
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        x:Class="WpfApplication1.EventSetterDemo"
        Title="EventSetter Demo">
    <Window.Resources>
        <Style TargetType="{x:Type Button}">
            <EventSetter Event="Click" Handler="ButtonOnClick" />
        </Style>
    </Window.Resources>

    <StackPanel>
        <Button>Button 1</Button>
        <Button>Button 2</Button>
        <Button>Button 3</Button>
    </StackPanel>
</Window>
//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;

namespace WpfApplication1
{
    public partial class EventSetterDemo : Window
    {

        public EventSetterDemo()
        {
            InitializeComponent();
        }
        void ButtonOnClick(object sender, RoutedEventArgs args)
        {
            Button btn = args.Source as Button;
            Console.WriteLine(btn.Content);
        }
    }
}

   
    
     

   
  


<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="600" Width="800">
  <DockPanel>
    <StackPanel DockPanel.Dock="Bottom" Orientation="Horizontal">
      <TextBox x:Name="tbxInsertionText" Width="200" Margin="5,0" />
      <Button DockPanel.Dock="Bottom" Content="Insert" Click="btnInsert_Click"/>
    </StackPanel>
    <RichTextBox x:Name="rtbTextContent" />
  </DockPanel>
</Window>
//File:Window.xaml.cs
using System.Windows;
using System.Windows.Documents;
using System.Windows.Input;

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

        private void btnInsert_Click(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrEmpty(tbxInsertionText.Text))
            {
                return;
            }
            rtbTextContent.BeginChange();
            if (rtbTextContent.Selection.Text != string.Empty)
            {
                rtbTextContent.Selection.Text = string.Empty;
            }
            TextPointer tp = rtbTextContent.CaretPosition.GetPositionAtOffset(0, LogicalDirection.Forward);
            rtbTextContent.CaretPosition.InsertTextInRun(tbxInsertionText.Text);
            rtbTextContent.CaretPosition = tp;
            rtbTextContent.EndChange();
            Keyboard.Focus(rtbTextContent);
        }
    }
}

   
    
     

   
  

<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="150" Width="250">
    <StackPanel>
        <Popup AllowsTransparency="True" Height="100" HorizontalOffset="1cm" Name="myPopup" 
                   Placement="Right" StaysOpen="True" Width="200" >
            <Border BorderBrush="Black" BorderThickness="2">
                <DockPanel Background="White" LastChildFill="True">
                    <TextBlock Background="AliceBlue" DockPanel.Dock="Top" 
                                   FontSize="16" HorizontalAlignment="Stretch" 
                                   Margin="5" Text="A WPF Popup" />
                        <Button Click="btnClosePopup_Click" Content="Close" 
                                DockPanel.Dock="Bottom" Margin="5" 
                                HorizontalAlignment="Right" MaxHeight="23"/>
                        <Image DockPanel.Dock="Top" Margin="5" 
                               Source="c:image.gif" />
                    </DockPanel>
            </Border>
        </Popup>
        <StackPanel>
            <StackPanel.Resources>
                <Style TargetType="{x:Type Button}">
                    <Setter Property="Margin" Value="2" />                        
                    <EventSetter Event="Click" Handler="btnShowPopup_Click" />
                </Style>
            </StackPanel.Resources>
            <Button Content="Show Popup" Name="btnShowPopup" />
        </StackPanel>
    </StackPanel>
</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;
using System.Windows.Controls.Primitives;

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

        private void btnClosePopup_Click(object sender, RoutedEventArgs e)
        {
            myPopup.IsOpen = false;
        }

        private void btnShowPopup_Click(object sender, RoutedEventArgs e)
        {
           
            myPopup.IsOpen = true;
        }
    }
}