private void button_Get5VStatus_Click(object sender, EventArgs e)
        {
            bool ret = false;

            if (HighLevelInterface.Get5VPowerOut(tbIpAddress.Text, ref ret) == Result.OK)
            {
                if (ret)
                {
                    label_5VOutStatus.Text = "ON";
                }
                else
                {
                    label_5VOutStatus.Text = "OFF";
                }
            }
            else
            {
                label_5VOutStatus.Text = "UNKNOWN";
            }
        }