以下是我的代码,我遇到了一个问题:
static void Main (string[] args)
{
Task newTask = Task.Factory.StartNew(MainTask);
newTask.ContinueWith ((Task someTask) =>
{
Console.WriteLine ("Main State=" + someTask.Status.ToString () + " IsFaulted=" + someTask.IsFaulted+" isComplete="+someTask.IsCompleted);
});
while (true)
{
}
}
static async Task MainTask()
{
Console.WriteLine ("MainStarted!");
Task someTask = Task.Factory.StartNew (() =>
{
Console.WriteLine ("SleepStarted!");
Thread.Sleep(1000);
Console.WriteLine ("SleepEnded!");
});
await someTask;
Console.WriteLine ("Waiting Ended!!");
throw new Exception ("CustomException!");
Console.WriteLine ("NeverReaches here!!");
}
我只想从新启动的任务MainTask
中获取异常信息,但结果并非我预期。
MainStarted!
Main State = RanToCompletion IsFaulted = False isComplete = True
SleepStarted!
SleepEnded!
Waiting Ended!!
从结果可以看出,在 "Waiting Ended !!" 控制台日志之前,任务就已经完成了。我不知道为什么 MainTask
结束了,即使在 MainTask
中有 await
命令?我错过了什么吗?
MainTask().ContinueWith(...)
呢? - Ilian