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How would you compile this in Dev?
using System;

using System.Collections.Generic;

using System.Text;

using JulMar.Tapi3;



namespace TestTapi

{

   class Program

   {

      static void Main(string[] args)

      {

         TTapi tapi = new TTapi();

         TCall call = null; TAddress modemAddr = null;



         tapi.Initialize();

         tapi.TE_CALLNOTIFICATION += delegate(object sender, TapiCallNotificationEventArgs e)  

         {

            Console.WriteLine("New call {0} detected from {1}", e.Call.ToString(), e.Event);

         };

         tapi.TE_CALLSTATE += delegate(object sender, TapiCallStateEventArgs e)

         {

            Console.WriteLine("{0}:{4} has changed state to {1} due to {2} - current={3}:{5}", 

                  e.Call, e.State, e.Cause, e.Call == call, e.Call.GetHashCode(), (call != null) ? call.GetHashCode() : 0);

            if (e.State == CALL_STATE.CS_INPROGRESS && e.Call == call)

            {

               Console.WriteLine("Dropping call");

               e.Call.Disconnect(DISCONNECT_CODE.DC_NORMAL);

            }

         };



         foreach (TAddress addr in tapi.Addresses)

         {

            if (String.Compare(addr.ServiceProviderName, "unimdm.tsp", true) == 0 && 

               addr.QueryMediaType(TAPIMEDIATYPES.AUDIO))

               modemAddr = addr;

         }



         if (modemAddr != null)

         {

            Console.WriteLine("{0} = {1} ({3}) [{2}]", modemAddr.AddressName, modemAddr.State, modemAddr.ServiceProviderName, modemAddr.DialableAddress);

            modemAddr.Monitor(TAPIMEDIATYPES.AUDIO);

            ConsoleKey ki = ConsoleKey.A;



            while (ki != ConsoleKey.Q)

            {

               // Flip the auto-destroy flag

               if (ki == ConsoleKey.D) 

               {

                  tapi.AutoDestroyCalls = !tapi.AutoDestroyCalls;

                  Console.WriteLine("Set AutoDestroy to {0}", tapi.AutoDestroyCalls);

               }

               // List existing calls

               else if (ki == ConsoleKey.L)

               {

                  foreach (TCall _call in modemAddr.EnumerateCalls())

                  {

                     Console.WriteLine("Existing call found: {0}:{1}", _call, _call.GetHashCode());

                     _call.Dispose(); // Go ahead and dump it

                  }

               }

               // Create a new call

               else

               {

                  call = modemAddr.CreateCall("5551213", LINEADDRESSTYPES.PhoneNumber, TAPIMEDIATYPES.DATAMODEM);

                  Console.WriteLine("Created new call {0}:{1}", call, call.GetHashCode());

                  try

                  {

                     // This will fail if existing call interface is still around (i.e. not disposed)

                     call.Connect(false);

                  }

                  catch (TapiException ex)

                  {

                     Console.WriteLine(ex.Message);

                  }

               }

               Console.WriteLine("Press a key to try another call.. Q to quit");

               ki = Console.ReadKey().Key;

            }

         }



         // This will destroy any outstanding interfaces

         tapi.Shutdown();



         // Call should be disposed here.. state will be CS_UNKNOWN 

         if (call != null)

            Console.WriteLine("{0} {1}", call, call.CallState);

      }

   }