Code
        string[] messages = { "手机拍了照片录制了视频，可以跟大家一起分享，试试文件传输功能。", "您可以通过录音机快速传达语音信息。", "选择发送邮件，直接拨打电话、发送短信等实用小功能。", "发送邮件的同时，内容可以同时发送短信。", "***********", "**************};
        private string GetBottomMessage()
        {
            string m_stranswer;
            m_stranswer = messages[m_value];
            m_value++;
            return m_stranswer;
        }
        private void OverPage_Load(object sender, EventArgs e)
        {
            webBrowserScroll.Url = new Uri(@"file://" + Bussiness.Global.ApplicationDirectory + "Over.htm");
            UserLogin();
            ShowMessage();
        }
        private void UserLogin()
        {
            ThreadPool.QueueUserWorkItem(new WaitCallback(UserLogin));
        }
        private void ShowMessage()
        {
            ThreadPool.QueueUserWorkItem(new WaitCallback(GetBottomMessage));
        }
        private void GetBottomMessage(object o)
        {
            while (m_value < messages.Length)
            {
                LabelBottemMessage.Invoke(new UpdateStateBottomDelegate(UpdateBomState), GetBottomMessage());
                if (IsCancel || IsCreateConnectionValue == 1)
                    return;
                Thread.Sleep(3000);
                if (IsCancel || IsCreateConnectionValue == 1)
                    return;
                if (m_value == (messages.Length - 1))
                    m_value = 0;
            }
        }