C# 实现QQ 登陆、登出，获取好友以及群列表 然后群发消息 基于QQ2011 PC版协议【附完整源码】

一个可以观察本机上网过程的小程序,使用了SHDocVw组件和MSHTML组件,()

I use vc to achieve the Gouraud algorithm(I use vc to your the Gouraud algorithm)

TCP和UDP socket编程，向固定服务器发送学号姓名信息，用udp从服务器获得一个随机字符串(TCP and UDP socket programming, Student ID Name information sent to the fixed server udp from server to obtain a random string)

在visualstudio6下实现socket客户端和服务器端(In visualstudio6 to achieve client and server-side socket)

基于ping的源代码，实现原始套接字编程(Ping-based source code, to achieve the raw socket programming)

实现W5500自动获取IP地址和网关等的功能。( Achieve W5500 automatically obtain IP address and gateway functions etc..)

private void Connect_Click(object sender, System.EventArgs e)        {            //将光标置为等待状态            Cursor cr = Cursor.Current;            Cursor.Current = Cursors.WaitCursor;            String a ,b,c;              //用110端口新建POP3服务器连接            Server = new TcpClient(PopServer.Text, 110);            Status.Items.Clear();             try            {                //初始化                NetStrm = Server.GetStream();                RdStrm = new StreamReader(Server.GetStream());                Status.Items.Add(RdStrm.ReadLine());                 //登录服务器过程                Data = "USER " Username.Text CRLF;                szData = System.Text.Encoding.ASCII.GetBytes(Data.ToCharArray());                NetStrm.Write(szData, 0, szData.Length);                Status.Items.Add(RdStrm.ReadLine());                 Data = "PASS " Password.Text CRLF;                szData = System.Text.Encoding.ASCII.GetBytes(Data.ToCharArray());                NetStrm.Write(szData, 0, szData.Length);                Status.Items.Add(RdStrm.ReadLine());                 //向服务器发送STAT命令，从而取得邮箱的相关信息：邮件数量和大小                Data = "STAT" CRLF;                szData = System.Text.Encoding.ASCII.GetBytes(Data.ToCharArray());                NetStrm.Write(szData, 0, szData.Length);                //Status.Items.Add(RdStrm.ReadLine());                 //改变按钮的状态                Connect.Enabled = false;                Disconnect.Enabled = true;                Retrieve.Enabled = true;                 //将光标置回原来状态                Cursor.Current = cr;             }            catch (InvalidOperationException err)            {                Status.Items.Add("Error: " err.ToString());            }        }

简单的蓝牙串口调试工具

EZ-IPUPDATE的LIB7版本，极有参考价值，与3322的QDNS不完全相同(ez-ipupdate is a small utility for updating your host name for the any of the dynamic DNS service offered at: * http://www.ez-ip.net * http://www.justlinux.com * http://www.dhs.org * http://www.dyndns.org * http://www.ods.org * http://gnudip.cheapnet.net (GNUDip) * http://www.dyn.ca (GNUDip) * http://www.tzo.com * http://www.easydns.com * http://www.dyns.cx * http://www.hn.org * http://www.zoneedit.com )

mail to server mail to server mail to server mail to server mail to server mail to server (mail to server mail to server mail to server mail to server mail to server )