C# 窗体退出后关闭线程的代码

重载OnClosing函数       

protected override void OnClosing(CancelEventArgs e)

        {

            // 这里写关闭窗体要执行的代码

            if (myThread != null)

            {

                if (myThread.IsAlive)

                {

                    // Stop the capturing process

                    myThread.Abort();

                    // Close the pcap device

                    device.Close();

                    textBox1.Text = "视频文件获取完成.............";

                }

            }

            base.OnClosing(e);

        }