C#实现网络打印机远程控制代码

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;

namespace LD_Common.Other
{
    public class NetworkPort //网络打印机
    {

        Socket sender = null;
        EndPoint endpoint = null;

        IPAddress address;

        public NetworkPort(string ip, int port)
        {
            address = IPAddress.Parse(ip);
            endpoint = new IPEndPoint(address, port);
            sender = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            sender.SendTimeout = 3000;//发送数据超时时间长度，超过3秒引发异常
        }

        public void Connect()
        {
            try
            {
                sender = TimeOutSocket.Connect(endpoint, 9000);