2018-02-26 15:42 25344

核心代码如下//开始private void button1_Click(object sender, EventArgs e){label1.Visible = true;label1.Text = "●";//如果觉得太小调label1字体大小if (th == null || !th.IsAlive){th = new Thread(run);//添加线程 th.IsBackground = true;th.Start();}}//结束pr…