winform难题.高手进

Question

 private bool IsRun;        private void stop_Click(object sender, EventArgs e)        {            IsRun = false;            StreamWriter sw = File.AppendText(@"d:\myserver.txt");            sw.WriteLine(string.Format("停止:启动时间{0}", DateTime.Now));            sw.Close();        }         private void begin_Click(object sender, EventArgs e)        {            IsRun = true;            while (IsRun)            {                try                {                    StreamWriter sw = File.AppendText(@"d:\myserver.txt");                    sw.WriteLine(string.Format("启动:启动时间{0}", DateTime.Now));                    sw.Close();                }                catch (Exception ex)                {                    throw ex;                }                 System.Threading.Thread.Sleep(10000);            }        }    } 当按下按钮beigin后。。为什么stop按钮无法被按下。。好像假死的状态？？？？？？？？？？？？？

Answer 1

System.Threading.Thread.Sleep(10000);

不是在这停了吗，你要开另外一个线程去做 begin_Click的事。