private void button1_Click(object sender, EventArgs e){
                    Timer timer1 = new Timer();
                    timer1.Interval = 1000;
                    timer1.Enabled = truestyle="color: #000000;">;
                    timer1.Tick += new EventHandler(timer1EventProcessor);//添加事件
}    

 private void timer1EventProcessor(object sender, EventArgs e)
        {
            do sth……
        }
System.Windows.Forms中Timer的用法

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