Async Task.WhenAll with timeout

Question

Is there a way in the new async dotnet 4.5 library to set a timeout on the Task.WhenAll method. I want to fetch several sources and stop after say 5 seconds and

Answer 1

Seems like the Task.WaitAll overload with the timeout parameter is all you need - if it returns true, then you know they all completed - otherwise, you can filter on IsCompleted.

if (Task.WaitAll(tasks, myTimeout) == false)
{
    tasks = tasks.Where(t => t.IsCompleted);
}
...