#region Async、Await static void Async() { Async1(); Thread.Sleep(1200); Console.WriteLine("Main Stop,Thread Id:" + Thread.CurrentThread.ManagedThreadId); } static async void Async1() { await Task.Run(() => { Thread.Sleep(1000); Console.WriteLine("Async Stop,Thread Id:" + Thread.CurrentThread.ManagedThreadId); }); } #endregion