Program.cs

using System;
using System.Text;
using RabbitMQ.Client;

namespace Consumer
{
    class Program
    {
        static void Main()
        {
            var connectionFactory = new ConnectionFactory();
            IConnection connection = connectionFactory.CreateConnection();
            IModel channel = connection.CreateModel();
            channel.QueueDeclare("hello-world-queue", false, false, false, null);

            BasicGetResult result = channel.BasicGet("hello-world-queue", true);

            if (result != null)
            {
                string message = Encoding.UTF8.GetString(result.Body);
                Console.WriteLine(message);
            }

            Console.WriteLine("Press any key to exit");
            Console.ReadKey();
            channel.Close();
            connection.Close();
        }
    }
}