MainPage.xaml.cs

using System;
using Windows.ApplicationModel.DataTransfer;
using Windows.System;
using Windows.UI.ApplicationSettings;
using Windows.UI.Xaml.Controls;

namespace JayBeavers.ChronoZoom
{
    public sealed partial class MainPage
    {

        private Uri _currentUri;

        public MainPage()
        {
            InitializeComponent();

            ChronoZoomWebView.NavigationCompleted += ChronoZoomWebView_NavigationCompleted;

            DataTransferManager.GetForCurrentView().DataRequested += MainPage_DataRequested;

            SettingsPane.GetForCurrentView().CommandsRequested += SettingsCommandsRequested;

        }

        private void MainPage_DataRequested(DataTransferManager sender, DataRequestedEventArgs args)
        {
            if (_currentUri == null) return;

            var request = args.Request;
            request.Data.Properties.Title = "I'd like to share this timeline '" + ChronoZoomWebView.DocumentTitle + "' with you...";
            request.Data.Properties.Description = "Share timeline '" + ChronoZoomWebView.DocumentTitle + "'";
            request.Data.SetWebLink(_currentUri);
            request.Data.Properties.ContentSourceWebLink = _currentUri;
        }


        private void SettingsCommandsRequested(SettingsPane sender, SettingsPaneCommandsRequestedEventArgs args)
        {
            var privacyStatement = new SettingsCommand(
                "privacy",
                "Privacy Statement",
                x => Launcher.LaunchUriAsync(new Uri("http://join.chronozoom.com/notices/#privacy"))
                );

            args.Request.ApplicationCommands.Clear();
            args.Request.ApplicationCommands.Add(privacyStatement);
        }

        private void ChronoZoomWebView_NavigationCompleted(WebView sender, WebViewNavigationCompletedEventArgs args)
        {
            _currentUri = args.Uri;
        }
    }
}