<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="EmbeddedCodeWindow" Title="Embed Code in XAML" SizeToContent="WidthAndHeight" ResizeMode="CanMinimize" Loaded="WindowOnLoaded"> <StackPanel> <Button HorizontalAlignment="Center" Margin="24" Click="ButtonOnClick"> Click the Button </Button> <Ellipse Name="elips" Width="200" Height="100" Margin="24" Stroke="Red" StrokeThickness="10" /> <ListBox Name="lstbox" Width="150" Height="150" Margin="24" SelectionChanged="ListBoxOnSelection" /> <x:Code> void WindowOnLoaded(object sender, RoutedEventArgs args) { foreach (System.Reflection.PropertyInfo prop in typeof(Brushes).GetProperties()) lstbox.Items.Add(prop.Name); } void ButtonOnClick(object sender, RoutedEventArgs args) { Button btn = sender as Button; MessageBox.Show("The button labeled '" + btn.Content + "' has been clicked."); } void ListBoxOnSelection(object sender, SelectionChangedEventArgs args) { string strItem = lstbox.SelectedItem as string; System.Reflection.PropertyInfo prop = typeof(Brushes).GetProperty(strItem); elips.Fill = (Brush)prop.GetValue(null, null); } </x:Code> </StackPanel> </Window>