TaskScheduler.UnobservedTaskException从未被调用过

class Program
    static void Main(string[] args)
        TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
        Task.Factory.StartNew(() =>
            Console.WriteLine("Task started.");
            throw new Exception("Test Exception");
        Thread.Sleep(1000);
        //GC.Collect();
        //GC.WaitForPendingFinalizers();
    static void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
        File.WriteAllText(@"C:\data\TestException.txt", e.Exception.ToString());
        Console.WriteLine("UNOBSERVED EXCEPTION");
}

namespace ConsoleApplication1
    using System;
    using System.Threading;
    using System.Threading.Tasks;
    class Program
        static void Main(string[] args)
            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
            Task.Factory.StartNew(() =>
                Console.WriteLine("Task started.");
                throw new Exception("Test Exception");
            Thread.Sleep(1000);
            Console.WriteLine("First Collect");
            GC.Collect();
            GC.WaitForPendingFinalizers();
            Console.WriteLine("Waiting");
            Console.ReadKey();
        static void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
            Console.WriteLine("UNOBSERVED EXCEPTION");
}

var task1 = Task.Factory.StartNew(() =>
    throw new MyCustomException("Task1 faulted.");

TaskScheduler.UnobservedTaskException从未被调用过

2 个回答