.NET Framework Task Parallel Library (TPL) Task: WaitAll and variable capturing
Example
var tasks = Enumerable.Range(1, 5).Select(n => new Task<int>(() =>
{
Console.WriteLine("I'm task " + n);
return n;
})).ToArray();
foreach(var task in tasks) task.Start();
Task.WaitAll(tasks);
foreach(var task in tasks)
Console.WriteLine(task.Result);
