private void button1_Click(object sender, EventArgs e){
                    Timer timer1 = new Timer();
                    timer1.Interval = 1000;
                    timer1.Enabled = true;
                    timer1.Tick += new EventHandler(timer1EventProcessor);//添加事件
}    

 private void timer1EventProcessor(object
 
 sender, EventArgs e)
        {
            do sth……
        }

winform Timer控件的使用