private void Application_Startup(object sender, StartupEventArgs e) { AppCache.ApplicationDomain = HtmlPage.Document.DocumentUri.AbsoluteUri.Substring( 0, HtmlPage.Document.DocumentUri.AbsoluteUri.IndexOf(HtmlPage.Document.DocumentUri.AbsolutePath)); Resources.Add("ApplicationViewModel", AppCache.ApplicationViewModel); this.RootVisual = new MainPage(); // HtmlDocument requires using System.Windows.Browser; HtmlDocument doc = HtmlPage.Document; ////Enable the HTML textbox on the page and say hello //doc.GetElementById("Text1").SetProperty("disabled", false); //doc.GetElementById("Text1").SetAttribute("value", // "This text set from managed code."); //Set up some scriptable managed types for access from Javascript. ScriptableManagedType smt = new ScriptableManagedType(); HtmlPage.RegisterScriptableObject("SLapp", smt); }