标签:ide 捕获异常 pre linq bsp uri str compile generate
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(); } } }
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.IO; using System.Net; using System.Threading; namespace WpfGridChange { public class Utils { //读写锁,当资源处于写入模式时,其他线程写入需要等待本次写入结束之后才能继续写入 private static readonly ReaderWriterLockSlim LogWriteLock = new ReaderWriterLockSlim(); public static void LogWrite(Exception ex) { if (!Directory.Exists("Log")) { Directory.CreateDirectory("Log"); } var now = DateTime.Now; var logpath = @"Log\" + now.Year + "" + now.Month + "" + now.Day + ".log"; var log = "\r\n----------------------" + DateTime.Now + " --------------------------\r\n" + ex.Message + "\r\n" + ex.InnerException + "\r\n" + ex.StackTrace + "\r\n----------------------footer--------------------------\r\n"; try { //设置读写锁为写入模式独占资源,其他写入请求需要等待本次写入结束之后才能继续写入 LogWriteLock.EnterWriteLock(); File.AppendAllText(logpath, log); } finally { //退出写入模式,释放资源占用 LogWriteLock.ExitWriteLock(); } } } }
标签:ide 捕获异常 pre linq bsp uri str compile generate
原文地址:https://www.cnblogs.com/Fooo/p/13201072.html