C# 仿QQ聊天（有客户端、服务端和数据库）

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.Net.Sockets;
using QQClass;
using System.IO;

namespace MyQQClient
{
    public partial class F_Chat : Form
    {
        public UDPSocket udpsocket;
        public ClassForms FormList;
        public bool Voiding;
        public bool SendViod;
        cVideo viodeo;

        public F_Chat（）
        {
            InitializeComponent（）;
        }

        private void button_Send_Click（object sender EventArgs e）
        {
            IPAddress ip = IPAddress.Parse（Publec_Class.ServerIP）;//服务器端的IP地址
            string port = Publec_Class.ServerPort;//端口号
            s

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-04-24 22:08  MyQQ\
     目录           0  2019-04-24 22:08  MyQQ\MyQQClient\
     目录           0  2019-04-24 22:08  MyQQ\MyQQClient\MyQQClient\
     文件        2570  2012-12-25 16:12  MyQQ\MyQQClient\MyQQClient.sln
     文件       52224  2012-12-27 09:35  MyQQ\MyQQClient\MyQQClient.suo
     文件        1498  2007-12-04 21:02  MyQQ\MyQQClient\MyQQClient\0.bmp
     文件        1498  2007-12-05 14:02  MyQQ\MyQQClient\MyQQClient\1.bmp
     目录           0  2019-04-24 22:08  MyQQ\MyQQClient\MyQQClient\bin\
     目录           0  2019-04-24 22:08  MyQQ\MyQQClient\MyQQClient\bin\Debug\
     文件      181248  2012-12-27 09:28  MyQQ\MyQQClient\MyQQClient\bin\Debug\MyQQClient.exe
     文件       62976  2012-12-27 09:28  MyQQ\MyQQClient\MyQQClient\bin\Debug\MyQQClient.pdb
     文件        5632  2005-12-08 14:51  MyQQ\MyQQClient\MyQQClient\bin\Debug\MyQQClient.vshost.exe
     文件       14336  2012-12-27 09:26  MyQQ\MyQQClient\MyQQClient\bin\Debug\QQClass.dll
     文件       44544  2012-12-27 09:26  MyQQ\MyQQClient\MyQQClient\bin\Debug\QQClass.pdb
     目录           0  2018-11-26 12:53  MyQQ\MyQQClient\MyQQClient\bin\Release\
     文件       13198  2007-12-17 14:14  MyQQ\MyQQClient\MyQQClient\F_Chat.cs
     文件       28506  2007-12-17 14:14  MyQQ\MyQQClient\MyQQClient\F_Chat.Designer.cs
     文件      111156  2007-12-17 14:14  MyQQ\MyQQClient\MyQQClient\F_Chat.resx
     文件       18485  2007-12-10 15:58  MyQQ\MyQQClient\MyQQClient\F_Client.cs
     文件        6727  2007-12-10 15:58  MyQQ\MyQQClient\MyQQClient\F_Client.Designer.cs
     文件       66553  2007-12-10 15:58  MyQQ\MyQQClient\MyQQClient\F_Client.resx
     文件        5441  2007-12-15 15:24  MyQQ\MyQQClient\MyQQClient\F_Logon.cs
     文件        6970  2007-12-11 08:39  MyQQ\MyQQClient\MyQQClient\F_Logon.Designer.cs
     文件       49297  2007-12-11 08:39  MyQQ\MyQQClient\MyQQClient\F_Logon.resx
     文件        3717  2007-12-17 09:04  MyQQ\MyQQClient\MyQQClient\F_SerSetup.cs
     文件        9839  2007-12-17 09:04  MyQQ\MyQQClient\MyQQClient\F_SerSetup.Designer.cs
     文件        6012  2007-12-17 09:04  MyQQ\MyQQClient\MyQQClient\F_SerSetup.resx
     目录           0  2019-04-24 22:08  MyQQ\MyQQClient\MyQQClient\Image\
     文件         824  2007-12-10 15:21  MyQQ\MyQQClient\MyQQClient\Image\0.bmp
     文件         824  2007-12-10 15:21  MyQQ\MyQQClient\MyQQClient\Image\1.bmp
     文件       14724  2007-12-11 00:09  MyQQ\MyQQClient\MyQQClient\Image\center.jpg
............此处省略137个文件信息