Consumer is not working.

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Threading.Tasks.Dataflow;

namespace ConcurrentScheduler
{
    class Program
    {
        public static BufferBlock<int> m_Queue = new BufferBlock<int>();


        static void Main(string[] args)
        {
            Task first = Task.Factory.StartNew(() => Console.WriteLine("Begin"));
            var t = first.ContinueWith((a) => Producer()); // producer task
            var c = t.ContinueWith((w) => Consumer());
            first.Wait();
        }

        private static void Producer()
        {
            for (int i = 0; i < 100; i++)
            {
                m_Queue.SendAsync(i);
            }
            m_Queue.Complete();
            Console.WriteLine("There are {0} items in the queue.\n", m_Queue.Count);
        }

        private static void Consumer()
        {
            try
            {
                var consumerBlock = new ActionBlock<int>(
                   data => RunScript(data),
                   new ExecutionDataflowBlockOptions { MaxDegreeOfParallelism = 4 });
                m_Queue.LinkTo(
consumerBlock, new DataflowLinkOptions { PropagateCompletion = true });

                consumerBlock.Completion.Wait();
            }
            catch (NullReferenceException ex)
            {
                Console.WriteLine("NullReferenceException: " + ex.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }

        public static void RunScript(int number)
        {
            try
            {
                Thread.Sleep(500);
                Console.WriteLine(number);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
    }