倒计时自动关闭弹出窗口

        ///

        /// LOG ID: Alter 00005
        /// Description: 自动关闭弹出窗口 Start
        /// Author: Seven
        /// Create Date: 2011-07-12
        ///

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                if (components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose(disposing);
        }
        /**

        /// 应用程序的主入口点。
        ///

        [STAThread]
        static void Main()
        {
            Application.Run(new FrmOrderItemDepartment());
        }
        private void StartKiller()
        {
            Timer timer = new Timer();
            timer.Interval = 2000;    //10秒启动
            timer.Tick += new EventHandler(Timer_Tick);
            timer.Start();
        }
        private void Timer_Tick(object sender, EventArgs e)
        {
            KillMessageBox();
            //停止计时器
            ((Timer)sender).Stop();
        }
        private void KillMessageBox()
        {
            //查找MessageBox的弹出窗口,注意对应标题
            IntPtr ptr = FindWindow(null, "Prompt");
            if (ptr != IntPtr.Zero)
            {
                //查找到窗口则关闭
                PostMessage(ptr, WM_CLOSE, IntPtr.Zero, IntPtr.Zero);
            }
        }
        [DllImport("user32.dll", EntryPoint = "FindWindow", CharSet = CharSet.Auto)]
        private extern static IntPtr FindWindow(string lpClassName, string lpWindowName);
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern int PostMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
        public const int WM_CLOSE = 0x10;
        //End Seven

//注意修改相关窗口的 title,然后直接调用