TimerApp/Program.cs

namespace TimerApp;

static class Program
{
    /// <summary>
    ///  The main entry point for the application.
    /// </summary>
        [STAThread]
        static void Main()
        {
            // 设置全局异常处理
            Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
            Application.ThreadException += Application_ThreadException;
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;

            if (!SingleInstanceManager.TryAcquire(out var instance) || instance is null)
            {
                SingleInstanceManager.SignalExistingInstance();
                return;
            }

            try
            {
                using (instance)
                {
                    TaskbarIntegration.InitializeProcess();
                    ApplicationConfiguration.Initialize();
                    TaskbarIntegration.InitializeShortcuts();

                    var mainForm = new MainForm();
                    instance.StartServer(mainForm.ActivateFromExternal);
                    Application.Run(mainForm);
                }
            }
            catch (Exception ex)
            {
                Logger.LogError("Fatal error in Main", ex);
                MessageBox.Show($"程序发生严重错误即将退出：\n{ex.Message}", "TimerApp Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private static void Application_ThreadException(object sender, System.Threading.ThreadExceptionEventArgs e)
        {
            Logger.LogError("Unhandled UI Exception", e.Exception);
            // 这里可以选择不退出，或者提示用户
            // MessageBox.Show("发生未知错误，程序将尝试继续运行。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Warning);
        }

        private static void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            var ex = e.ExceptionObject as Exception;
            Logger.LogError("Unhandled Domain Exception" + (e.IsTerminating ? " (Terminating)" : ""), ex);
        }

}