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"; } }