[System.STAThreadAttribute()]
[System.Diagnostics.DebuggerNonUserCodeAttribute()]
[System.CodeDom.Compiler.GeneratedCodeAttribute("PresentationBuildTasks", "7.0.1.0")]
public static void Main() {
    WpfApp.App app = new WpfApp.App();
    app.InitializeComponent();//初始化Xaml
    app.Run();//程序運行
}

public partial class App : Application
{
    public App()
    {
        //在異常由應用程序引發(fā)但未進行處理時發(fā)生。UI線程
        //無法捕獲多線程異常
        this.DispatcherUnhandledException += App_DispatcherUnhandledException;
        //專門捕獲所有線程中的異常
        AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
        //專門捕獲Task異常
        TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
    }
    private void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
    {
        Debug.WriteLine("-----App_DispatcherUnhandledException--UI線程" + e.Exception.Message);
    }
    private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
    {
        Debug.WriteLine("-----CurrentDomain_UnhandledException--其他線程" + (e.ExceptionObject as Exception).Message);
    }
    private void TaskScheduler_UnobservedTaskException(object? sender, UnobservedTaskExceptionEventArgs e)
    {
        Debug.WriteLine("-----TaskScheduler_UnobservedTaskException--Task測試" + e.Exception.Message);
        e.SetObserved();
    }
}

public partial class MainWindow : Window
{
    int i = 0;
    public MainWindow()
    {
        InitializeComponent();
        //1、ui線程異常測試
        _ = 1 / i;

        //2、其他線程異常測試
        new Thread(new ThreadStart(() => { _ = 1 / i; })).Start();

        //3、Task異常測試
        Task.Run(() =>
        {
            _ = 1 / i;
        });
    }   
}