Debugging WCF Apps

using System;
using System.Collections.Generic;
using System.Text;
using System.ServiceModel;
using System.Diagnostics;
using System.Configuration;

namespace CheckPointe
{
    [ServiceBehavior(InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)]
    public class WCFService : IWCFService
    {
        /// <summary>
        /// Returns the result of the requested operation
        /// </summary>
        /// <param name="op"></param>
        /// <param name="value1"></param>
        /// <param name="value2"></param>
        /// <returns></returns>
        public OperationResult DoOperation(OperationType op, int value1, int value2)
        {
            OperationResult or = new OperationResult();
            try
            {
                switch (op)
                {
                    case OperationType.Add:
                        or.Value = value1 + value2;
                        break;
                    case OperationType.Sub:
                        or.Value = value1 - value2;
                        break;
                    case OperationType.Mul:
                        or.Value = value1 * value2;
                        break;
                    case OperationType.Div: //exception will catch div by zero
                        or.Value = value1 / value2;
                        break;
                }
                or.Result = ResultCode.Success;
            }
            catch (System.Exception ex)
            {
                Trace.WriteLine(ex.Message);
                or.Result = ResultCode.Fail;
            }
            return or;
        }
        static void Main(string[] args)
        {
            NetTcpBinding tcpBinding = new NetTcpBinding();
            NetNamedPipeBinding pipeBinding = new NetNamedPipeBinding();

            Uri tcpBaseAddress;
            Uri pipeBaseAddress;
            ServiceHost host = null;

            try
            {
                //We'll support two transports, one local and one remote
                tcpBaseAddress = new Uri(ConfigurationManager.AppSettings["baseTcpWCFService"]);
                pipeBaseAddress = new Uri(ConfigurationManager.AppSettings["basePipeWCFService"]);
                host = new ServiceHost(typeof(CheckPointe.WCFService), tcpBaseAddress, pipeBaseAddress);

                host.AddServiceEndpoint(typeof(CheckPointe.IWCFService), tcpBinding, tcpBaseAddress);
                host.AddServiceEndpoint(typeof(CheckPointe.IWCFService), pipeBinding, pipeBaseAddress);

                host.Open();

                // The service can now be accessed.
                Console.WriteLine("The service is ready.");
                Console.WriteLine("Press <ENTER> to terminate service.");
                Console.WriteLine();
                Console.ReadLine();
            }
            catch (System.Exception ex)
            {
                Trace.WriteLine(ex.Message);
            }

            if (host != null)
                host.Close();   //Release host

        }
    }
}

namespace WCFService
{
    class Program
    {
    }
}