C#中的全局异常捕捉

WPF全局捕获异常

//WPF全局捕获异常
    public partial class App : Application
    {
        public App()
        {
	    // 在异常由应用程序引发但未进行处理时发生。主要指的是UI线程。
            this.DispatcherUnhandledException += new System.Windows.Threading.DispatcherUnhandledExceptionEventHandler(App_DispatcherUnhandledException);
	//  当某个异常未被捕获时出现。主要指的是非UI线程
            AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
        }
        void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
//可以记录日志并转向错误bug窗口友好提示用户
            if (e.ExceptionObject is System.Exception)
            {
                Exception ex =(System.Exception)e.ExceptionObject;
                MessageBox.Show(ex.Message);  
            }
        }
        void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
        {
//可以记录日志并转向错误bug窗口友好提示用户
            e.Handled = true;
            MessageBox.Show("消息:"+e.Exception.Message+"\r\n"+e.Exception.StackTrace);
            
        }

winform捕获全局异常

//winform捕获全局异常
    static class Program
    {
        /// 

        /// 应用程序的主入口点。
        /// 
        [STAThread]
        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
            Application.ThreadException += Application_ThreadException;UI线程异常
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;多线程异常
        }
        /// 

        /// 多线程异常
        /// 
        /// 
        /// 
        static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
           //可以记录日志并转向错误bug窗口友好提示用户
            Exception ex = e.ExceptionObject as Exception;
            MessageBox.Show(ex.Message);
        }
        /// 

        /// UI线程异常
        /// 
        /// 
        /// 
        static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
//可以记录日志并转向错误bug窗口友好提示用户
            MessageBox.Show(e.Exception.Message);
         
        }
    }
}

MVC程序全局捕获异常

//MVC程序全局捕获异常
namespace 全局异常捕获测试
{
    public class MvcApplication : System.Web.HttpApplication
    {
        protected void Application_Start()
        {
            
            AreaRegistration.RegisterAllAreas();
            GlobalFilters.Filters.Add(new CustomExceptionAttribute());
            FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
            RouteConfig.RegisterRoutes(RouteTable.Routes);
            BundleConfig.RegisterBundles(BundleTable.Bundles);
        }
    }
    [AttributeUsage(AttributeTargets.Method | AttributeTargets.Class, Inherited = true, AllowMultiple = true)]
    public class CustomExceptionAttribute : FilterAttribute, IExceptionFilter
    {
        public virtual void OnException(ExceptionContext filterContext)
        {
            string message = string.Format("消息类型：{0}
消息内容：{1}
引发异常的方法：{2}
引发异常源：{3}"
                , filterContext.Exception.GetType().Name
                , filterContext.Exception.Message
                 , filterContext.Exception.TargetSite
                 , filterContext.Exception.Source + filterContext.Exception.StackTrace
                 );
        }
    }
}

web form全局异常捕获

//web form全局异常捕获
namespace WebForm全局异常捕获
{
    public class Global : System.Web.HttpApplication
    {
        protected void Application_Start(object sender, EventArgs e)
        {
            
        }
        void Application_Error(object sender, EventArgs e)
        {
            // 在出现未处理的错误时运行的代码
            Exception objExp = HttpContext.Current.Server.GetLastError(); //捕获全局异常
          
        }
    }
}