wpf 全局异常捕捉

wpf 全局异常捕捉

/// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
       
        /// <summary>
        /// 初始化一个<see cref="App"/>类型的新实例
        /// 全局异常
        /// </summary>
        public App()
        {
            //注册全局事件
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;

            DispatcherUnhandledException += App_DispatcherUnhandledException;

            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;

        }

        private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs args)
        {
            const string msg = "主线程异常";
            try
            {
                if (args.ExceptionObject is Exception && Dispatcher != null)
                {
                    Dispatcher.Invoke(() =>
                    {
                        Exception ex = (Exception)args.ExceptionObject;
                        HandleException(msg, ex);
                    });
                }
            }
            catch (Exception ex)
            {
                HandleException(msg, ex);
            }
        }

        private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs args)
        {
            const string msg = "子线程异常";
            try
            {
                HandleException(msg, args.Exception);
                args.Handled = true;
            }
            catch (Exception ex)
            {
                HandleException(msg, ex);
            }
        }

        private void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs args)
        {
            const string msg = "异步异常";
            try
            {
                HandleException(msg, args.Exception);
                args.SetObserved();
            }
            catch (Exception ex)
            {
                HandleException(msg, ex);
            }
        }

        private void HandleException(string msg, Exception ex)
        {

            _logger.Error(msg, ex);
        }
}