1
            internal
            class
             Program

             2
                {

             3
            private
            static
            void Main(string[] args)
 4        {
 5var t = DoExceptionAsync();
 6            t.Wait();
 7 8             Console.WriteLine($"{nameof(t.Status)}: {t.Status}");   //任务状态 9             Console.WriteLine($"{nameof(t.IsCompleted)}: {t.IsCompleted}");     //任务完成状态标识10             Console.WriteLine($"{nameof(t.IsFaulted)}: {t.IsFaulted}");     //任务是否有未处理的异常标识1112            Console.Read();
13        }
1415///<summary>16/// 异常操作
17///</summary>18///<returns></returns>19privatestaticasync Task DoExceptionAsync()
20        {
21try22            {
23await Task.Run(() => { thrownew Exception(); });
24            }
25catch (Exception)
26            {
27                 Console.WriteLine($"{nameof(DoExceptionAsync)} 出现异常！");
28            }
29        }
30     }