C# winfrm程序的主入口捕获项目的全部异常
C# winfrm程序的主入口捕获项目的全部异常
using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; using System.Windows.Forms; namespace com.xxx { static class Program { /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() { try { //设置应用程序处理异常方式:ThreadException处理 Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException); //处理UI线程异常 Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadException); //处理非UI线程异常 AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); #region ----应用程序的主入口点---- bool isAppRunning = false; Mutex mutex = new Mutex(true, Process.GetCurrentProcess().ProcessName, out isAppRunning); if (!isAppRunning) { MessageBox.Show("程序已运行,不能再次打开。"); Environment.Exit(1); } Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); //Application.Run(new MainFrm()); Application.Run(new LoginFrm()); #endregion ----应用程序的主入口点---- } catch (Exception ex) { string str = GetExceptionMsg(ex, string.Empty); Common.LogHelper.WriteLog("程序异常", str); //写入日志 MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } } static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e) { string str = GetExceptionMsg(e.Exception, e.ToString()); MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error); //LogManager.WriteLog(str);//日志 } static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e) { string str = GetExceptionMsg(e.ExceptionObject as Exception, e.ToString()); MessageBox.Show(str, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error); //LogManager.WriteLog(str);//日志 } /// <summary> /// 生成自定义异常消息 /// </summary> /// <param name="ex">异常对象</param> /// <param name="backStr">备用异常消息:当ex为null时有效</param> /// <returns>异常字符串文本</returns> static string GetExceptionMsg(Exception ex, string backStr) { StringBuilder sb = new StringBuilder(); sb.AppendLine("****************************异常文本****************************"); sb.AppendLine("【出现时间】:" + DateTime.Now.ToString()); if (ex != null) { sb.AppendLine("【异常类型】:" + ex.GetType().Name); sb.AppendLine("【异常信息】:" + ex.Message); sb.AppendLine("【堆栈调用】:" + ex.StackTrace); sb.AppendLine("【异常方法】:" + ex.TargetSite); } else { sb.AppendLine("【未处理异常】:" + backStr); } sb.AppendLine("***************************************************************"); return sb.ToString(); } } }
转自 网上大佬.