private void btnTimerSend_Click(object sender, EventArgs e) { if (btnTimerSend.Text == "定时发送") { m_thread.StartRun(); btnTimerSend.Text = "结束定时发送"; } else if (btnTimerSend.Text == "结束定时发送") { m_thread.EndRun(); btnTimerSend.Text = "定时发送"; } }