void Btn_Home_Click(object sender, EventArgs e) { if (Card_flag) { AxisMotion a = AxisMotion.axis_motion; a.StartHome(); //AxisMotion.StartHome(); while (!AxisMotion.HomeFinish) { ; } //AxisMotion.StopHome(); a.StopHome(); } else { SetText("请初始化板卡!", -1); } }