Знакомство с элементом управления WebBrowser

<phone:PhoneApplicationPage 
    x:Class="practice_21.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="768"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    shell:SystemTray.IsVisible="True">

    <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Transparent">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <!--TitlePanel contains the name of the application and page title-->
        <StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28">
            <TextBlock x:Name="ApplicationTitle" Text="Знакомство с элементом управления" 
            Style="{StaticResource PhoneTextNormalStyle}"/>
            <TextBlock x:Name="PageTitle" Text="WebBrowser" Margin="9,-7,0,0" 
            Style="{StaticResource PhoneTextTitle1Style}"/>
        </StackPanel>

        <!--ContentPanel - place additional content here-->
        <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
            <phone:WebBrowser x:Name="Browser" IsScriptEnabled="True" Background="Transparent" 
              HorizontalAlignment="Left" VerticalAlignment="Top" Height="460" 
               Width="456" Margin="0,74,0,0" />
            <TextBox x:Name="Address" Text="http://" InputScope="URL" Height="72" 
              HorizontalAlignment="Left" Margin="-12,0,0,0" 
                 VerticalAlignment="Top" Width="388" />
            <Button Content="-->" Height="72" HorizontalAlignment="Left" Margin="369,0,0,0" 
              Name="button1" VerticalAlignment="Top" Width="99" Click="button1_Click" />
            <ProgressBar Foreground="Orange" x:Name="ProgBar" Visibility="Collapsed"
                IsIndeterminate="True" Height="4" HorizontalAlignment="Left" Margin="10,66,0,0" 
                  VerticalAlignment="Top" Width="460" />
        </Grid>
    </Grid>
</phone:PhoneApplicationPage>
    

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;
using Microsoft.Phone.Controls;

using System.IO;
using Microsoft.Xna.Framework;


namespace practice_21
{
    public partial class MainPage : PhoneApplicationPage
    {
        // Constructor
        public MainPage()
        {
            InitializeComponent();
            Browser.Navigated += new EventHandler<System.Windows.Navigation.NavigationEventArgs>(Browser_Navigated);
            Browser.Navigating += new EventHandler<NavigatingEventArgs>(Browser_Navigating);
            Browser.ScriptNotify += new EventHandler<NotifyEventArgs>(Browser_ScriptNotify);
        }

        void Browser_ScriptNotify(object sender, NotifyEventArgs e)
        {
            Browser.Navigate(new Uri(e.Value, UriKind.Absolute));
        }

        void Browser_Navigating(object sender, NavigatingEventArgs e)
        {
            ProgBar.Visibility = Visibility.Visible;
        }

        void Browser_Navigated(object sender, System.Windows.Navigation.NavigationEventArgs e)
        {
            ProgBar.Visibility = Visibility.Collapsed;
        }

        private void button1_Click(object sender, RoutedEventArgs e)
        {
            Browser.Navigate(new Uri(Address.Text, UriKind.Absolute));
            Browser.IsScriptEnabled = true;
        }

    }

}