gistfile1.cs

using (NetMQContext ctx = NetMQContext.Create())
{
	using (var server = ctx.CreateResponseSocket())
	{
		server.Bind("tcp://127.0.0.1:5556");

		using (var client = ctx.CreateRequestSocket())
		{
			client.Connect("tcp://127.0.0.1:5556");

			client.Send("Hello");

			string m1 = server.ReceiveString();

			Console.WriteLine("From Client: {0}", m1);

			server.Send("Hi Back");

			string m2 = client.ReceiveString();

			Console.WriteLine("From Server: {0}", m2);

			Console.ReadLine();
		}
	}
}