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Use CroppedBitmap in code

<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;       }    } }