1     internal class Program
 2     {
 3         private static void Main(string[] args)
 4         {
 5             var 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($"{nameof(t.IsFaulted)}: {t.IsFaulted}");     //任务是否有未处理的异常标识
11 
12             Console.Read();
13         }
14 
15         /// <summary>
16         /// 异常操作
17         /// </summary>
18         /// <returns></returns>
19         private static async Task DoExceptionAsync()
20         {
21             try
22             {
23                 await Task.Run(() => { throw new Exception(); });
24             }
25             catch (Exception)
26             {
27                 Console.WriteLine($"{nameof(DoExceptionAsync)} 出现异常！");
28             }
29         }
30     }