MainPage file for disabling WP7 pinch/zoom & scroll-snapback

MainPage.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;
using Microsoft.Phone.Controls;
using System.IO;
using System.Windows.Media.Imaging;
using System.Windows.Resources;
using App.Util;


namespace App
{
    public partial class MainPage : PhoneApplicationPage
    {
        private WebBrowserHelper _browserHelper;

        // Constructor
        public MainPage()
        {
            InitializeComponent();
            this.PGView.Loaded += GapBrowser_Loaded;

            _browserHelper = new WebBrowserHelper(PGView.Browser);
            this.PGView.Browser.ScriptNotify += Browser_ScriptNotify;
        }

        private void GapBrowser_Loaded(object sender, RoutedEventArgs e)
        {
            this.PGView.Loaded -= GapBrowser_Loaded;
            Storyboard _storyBoard = new Storyboard();
            DoubleAnimation animation = new DoubleAnimation()
            {
                From = 0,
                Duration = TimeSpan.FromSeconds(0.6),
                To = 90
            };
            Storyboard.SetTarget(animation, SplashProjector);
            Storyboard.SetTargetProperty(animation, new PropertyPath("RotationY"));
            _storyBoard.Children.Add(animation);
            _storyBoard.Begin();
            _storyBoard.Completed += Splash_Completed;
        }

        void Splash_Completed(object sender, EventArgs e)
        {
            (sender as Storyboard).Completed -= Splash_Completed;
            LayoutRoot.Children.Remove(SplashImage);
        }

        private void Browser_ScriptNotify(object sender, NotifyEventArgs e)
        {
            // if a page notifies that it should not be scrollable, disable
            // scrolling.
            if (e.Value == "noScroll")
            {
                _browserHelper.ScrollDisabled = true;
            }
        }
    }
}