public MainPage() { InitializeComponent(); m_sampleList.ItemsSource = DemoMetadata.GetDemos(typeof(MainPage).Assembly, "Introduction"); m_contentFrame.Navigating += (sender, e) => { if (e.Uri != null) { var uri = e.Uri.ToString(); if (uri.StartsWith("http://")) { Process.Start(uri); e.Cancel = true; } } }; }