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;

namespace?FlipClockApp
{
	public?partial?class?App?:?Application
	{
		public?App（）
		{
			this.Startup?+=?this.Application_Startup;
			this.Exit?+=?this.Application_Exit;
			this.UnhandledException?+=?this.Application_UnhandledException;

			InitializeComponent（）;
		}

		private?void?Application_Startup（object?sender?StartupEventArgs?e）
		{
			this.RootVisual?=?new?MainPage（）;
		}

		private?void?Application_Exit（object?sender?EventArgs?e）
		{
		}

		private?void?Application_UnhandledException（object?sender?ApplicationUnhandledExceptionEventArgs?e）
		{
			//?If?the?app?is?running?outside?of?the?debugger?then?report?the?exception?using
			//?the?browser‘s?exception?mechanism.?On?IE?this?will?display?it?a?yellow?alert?
			//?icon?in?the?status?bar?and?Firefox?will?display?a?script?error.
			if?（!System.Diagnostics.Debugger.IsAttached）
			{

				//?NOTE:?This?will?allow?the?application?to?continue?running?after?an?exception?has?been?thrown
				//?but?not?handled.?
				//?For?production?applications?this?error?handling?should?be?replaced?with?something?that?will?
				//?report?the?error?to?the?website?and?stop?the?application.
				e.Handled?=?true;
				Deployment.Current.Dispatcher.BeginInvoke（delegate?{?ReportErrorToDOM（e）;?}）;
			}
		}

		private?void?ReportErrorToDOM（ApplicationUnhandledExceptionEventArgs?e）
		{
			try
			{
				string?errorMsg?=?e.Exceptionobject.Message?+?e.Exceptionobject.StackTrace;
				errorMsg?=?errorMsg.Replace（‘“‘?‘\‘‘）.Replace（“\r\n“?@“\n“）;

				System.Windows.Browser.HtmlPage.Window.Eval（“throw?new?Error（\“Unhandled?Error?in?Silverlight?Application?“?+?errorMsg?+?“\“）;“）;
			}
			catch?（Exception）
			{
			}
		}
	}
}