using System.Threading.Tasks;
public static async Task Main()
Print("Before Task.Run"); Task task = Task.Run(() => DoWorkAsync());
Print("Before Task.WhenAll"); Task whenAllTask = Task.WhenAll(task);
Print("Before await whenAllTask"); Print("After await whenAllTask"); static async Task DoWorkAsync()
Print("--Starting work"); Print("--Finishing work"); static void Print(object value)
Console.WriteLine($@"{DateTime.Now:HH:mm:ss.fff} [{Thread.CurrentThread .ManagedThreadId}] > {value}");
