Asynchronously wait for Task to complete with timeout

Question

I want to wait for a Task to complete with some special rules: If it hasn\'t completed after X milliseconds, I want to display a message to the user. And

Answer 1

Using Stephen Cleary's excellent AsyncEx library, you can do:

TimeSpan timeout = TimeSpan.FromSeconds(10);

using (var cts = new CancellationTokenSource(timeout))
{
    await myTask.WaitAsync(cts.Token);
}

TaskCanceledException will be thrown in the event of a timeout.