VC# 2008 Express - Winsock Class

[Chris]

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;

using MSWinsockLib;

namespace [NAMESPACE]
{
    public class Socket
    {
        private Winsock TCPWinsock;

        public Socket()
        {
            SocketCreate(-1);
        }

        public Socket(int Port)
        {
            SocketCreate(Port);
        }

        public void SocketCreate(int Port)
        {
            TCPWinsock = new Winsock();

            TCPWinsock.Error += new DMSWinsockControlEvents_ErrorEventHandler(this.Error);
            TCPWinsock.ConnectionRequest += new DMSWinsockControlEvents_ConnectionRequestEventHandler(this.ConnectionRequest);
            TCPWinsock.DataArrival += new DMSWinsockControlEvents_DataArrivalEventHandler(this.DataArrival);
            TCPWinsock.SendComplete += new DMSWinsockControlEvents_SendCompleteEventHandler(this.SendComplete);
            TCPWinsock.SendProgress += new DMSWinsockControlEvents_SendProgressEventHandler(this.SendProgress);

            if (Port != -1)
            {
                TCPWinsock.LocalPort = Port;
            }
        }

        public void Listen()
        {
            if (TCPWinsock.State == 0)
            {
                TCPWinsock.Listen();
            }
        }

        public void Connect(String IP, int Port)
        {
            if (TCPWinsock.State == 0)
            {
                TCPWinsock.RemoteHost = IP;
                TCPWinsock.RemotePort = Port;
                TCPWinsock.Connect(IP, Port);
            }
        }

        public int State()
        {
            return TCPWinsock.State;
        }
        

        #region Winsock Event Handlers
        public void Error(short Number, ref string Description, int Scode, string Source, string HelpFile, int HelpContext, ref bool CancelDisplay)
        {
            //Handle Error
        }

        public void ConnectionRequest(int requestID)
        {
            //Handle ConnectionRequest
        }

        public void DataArrival(int bytesTotal)
        {
            //Handle DataArrival
        }

        public void SendComplete()
        {
            //Handle SendComplete
        }

        public void SendProgress(int bytesSent, int bytesRemaining)
        {
            //Handle SendProgress
        }
        #endregion
    }
}

Add Reference - COM "Microsoft Winsock Control 6.0"

[Chad]

Remember to use closed ports that other programs aren't using. If you need to find closed ports just go here:

Online Port Scanner 2.0