namespace WpfGridChange
{
    using System;
    using System.CodeDom.Compiler;
    using System.Diagnostics;
    using System.Windows;
    using System.Threading.Tasks;

    public class App : Application
    {
        [DebuggerNonUserCode, GeneratedCode("PresentationBuildTasks", "4.0.0.0")]
        public void InitializeComponent()
        {
             base.StartupUri = new Uri("../Resources/xaml/WinWellcome.xaml", UriKind.Relative);
           
        }

        protected override void OnStartup(StartupEventArgs e)
        {
            RegisterEvents();
            base.OnStartup(e);
        }

        /// <summary>
        /// 注册事件
        /// </summary>
        private void RegisterEvents()
        {
            //Task线程内未捕获异常处理事件
            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;

            //UI线程未捕获异常处理事件（UI主线程）
            this.DispatcherUnhandledException += App_DispatcherUnhandledException;

            //非UI线程未捕获异常处理事件(例如自己创建的一个子线程)
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
        }

        private static void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
        {
            try
            {
                var exception = e.Exception as Exception;
                if (exception != null)
                {
                    HandleException(exception);
                }
            }
            catch (Exception ex)
            {
                HandleException(ex);
            }
            finally
            {
                e.SetObserved();
            }
        }

        //非UI线程未捕获异常处理事件(例如自己创建的一个子线程)      
        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            try
            {
                var exception = e.ExceptionObject as Exception;
                if (exception != null)
                {
                    HandleException(exception);
                }
            }
            catch (Exception ex)
            {
                HandleException(ex);
            }
            finally
            {
                //ignore
            }
        }

        //UI线程未捕获异常处理事件（UI主线程）
        private static void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
        {
            try
            {
                HandleException(e.Exception);
            }
            catch (Exception ex)
            {
                HandleException(ex);
            }
            finally
            {
                //处理完后，我们需要将Handler=true表示已此异常已处理过
                e.Handled = true;
            }
        }
        private static void HandleException(Exception e)
        {
            MessageBox.Show("程序异常：" + e.Source + "\r\n@@" + Environment.NewLine + e.StackTrace + "\r\n##" + Environment.NewLine + e.Message);

            //记录日志
            Utils.LogWrite(e);

        }


        [GeneratedCode("PresentationBuildTasks", "4.0.0.0"), DebuggerNonUserCode, STAThread]
        public static void Main()

        {
            App app = new App();
            app.InitializeComponent();
            app.Run();
        }


    }
}