private void AsuMotionGetStepsPerUnit(object sender, EventArgs e) { int ret = AsuInvoke.AsuMotion_GetStepsPerUnit(handle, out AsuMotionAxisDataInt stepsPerUnit); switch (ret) { case 3: Print("单位距离脉冲数获取 成功"); break; default: Print("单位距离脉冲数获取 失败"); break; } }