Parallel task sink in C#

//
// Task sink
// Binds PULL socket to tcp://localhost:5558
// Collects results from workers via that socket
//

// Author: Michael Compton, Tomas Roos
// Email: ku.oc.egdeelttil|notpmoc.leahcim#ku.oc.egdeelttil|notpmoc.leahcim, moc.liamg|soorsamotp#moc.liamg|soorsamotp

using System;
using System.Text;
using System.Diagnostics;
using ZMQ;

namespace ZMQGuide
{
internal class Program
{
public static void Main(string[] args)
{
using (var context = new Context(1))
{
using (Socket receiver = context.Socket(SocketType.PULL))
{
receiver.Bind("tcp://*:5558");

// Wait for start of batch
receiver.Recv();

var stopwatch = new Stopwatch();
stopwatch.Start();

const int tasksToConfirm = 100;
for (int taskNumber = 0; taskNumber < tasksToConfirm; taskNumber++)
{
string message = receiver.Recv(Encoding.Unicode);
Console.WriteLine(taskNumber % 10 == 0 ? ":" : ".");
}

stopwatch.Stop();
Console.WriteLine("Total elapsed time: {0}", stopwatch.ElapsedMilliseconds);
}
}
Console.ReadKey();
}
}
}