//窗口加载时
        private void FormCSharpWinDemo_Load(object sender, EventArgs e)
        {
            FrmInformation frm = new FrmInformation(Id, Title);
            frm.Show();
            //获取屏幕宽高与调节最大大小
            this.MaximumSize = new Size(543, Screen.GetWorkingArea(this).Height);

            //监听消息(广播和聊天)
            ClassStartUdpThread startUdpThread = new ClassStartUdpThread(chatShow);
            Thread tStartUdpThread = new Thread(new ThreadStart(startUdpThread.StartUdpThread));
            tStartUdpThread.IsBackground = true;
            tStartUdpThread.Start();

            //第一次登录时发送广播消息,查看在线用户
            ClassBoardCast boardCast = new ClassBoardCast();
            boardCast.BoardCast();

            ////加载好友列表
            //chatShow.Items.Clear();
            //Random rnd = new Random();
            //for (int i = 0; i < 10; i++)
            //{
            //    ChatListItem item = new ChatListItem("分组 " + i);
            //    for (int j = 0; j < 10; j++)
            //    {
            //        ChatListSubItem subItem = new ChatListSubItem("NicName", "好友" + j, "我的个性签名,我的个性签名,我的个性签名");
            //        subItem.HeadImage = Image.FromFile("head/" + rnd.Next(1, 11) + ".png");
            //        subItem.ID = (i + 1) * (j + 1);
            //        subItem.Status = (ChatListSubItem.UserStatus)(j % 6);
            //        item.SubItems.AddAccordingToStatus(subItem);
            //    }
            //    item.SubItems.Sort();
            //    chatShow.Items.Add(item);
            //}
        }
 private void Form1_SysBottomClick(object sender)
 {
     FrmInformation fi = new FrmInformation();
     fi.ShowDialog();
 }