Open a Popup
<UserControl x:Class='SilverlightApplication3.MainPage' xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml' xmlns:d='http://schemas.microsoft.com/expression/blend/2008' xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006' mc:Ignorable='d' d:DesignWidth='640' d:DesignHeight='480'> <Grid x:Name="LayoutRoot" Background="White"> <Popup x:Name="xamlPopup" VerticalOffset="40" HorizontalOffset="270" IsOpen="False"> <Border BorderBrush="Black" BorderThickness="5" CornerRadius="3"> <Button Content="Click to close" Click="button_Click"/> </Border> </Popup> <Button Height="50" Width="100" Content="Show popup" VerticalAlignment="Top" HorizontalAlignment="Left" Click="showPopup_Click" ></Button> </Grid> </UserControl> //File: Page.xaml.cs using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; namespace SilverlightApplication3 { public partial class MainPage : UserControl { public MainPage() { InitializeComponent(); } void button_Click(object sender, RoutedEventArgs e) { xamlPopup.IsOpen = false; } private void showPopup_Click(object sender, RoutedEventArgs e) { xamlPopup.IsOpen = true; } } }