private void initImpedanceMatch() { int error_code; uint dampingValue = 0; DampingActive dampingActive = DampingActive.OFF; error_code = GetRecieverDAQ.DampingActive(SelectAscan.sessionIndex, SelectAscan.port, ref dampingActive); if (error_code != 0) { return; } error_code = GetRecieverDAQ.DampingValue(SelectAscan.sessionIndex, SelectAscan.port, ref dampingValue); if (error_code != 0) { return; } switch (dampingActive) { case DampingActive.OFF: textBoxImpedance.Enabled = false; chkImpedanceMatch.Checked = false; break; case DampingActive.ON: textBoxImpedance.Enabled = true; chkImpedanceMatch.Checked = true; break; default: MessageShow.show("Error:Initial impedance match failed!", "错误:初始化匹配阻抗失败!"); break; } textBoxImpedance.Text = dampingValue.ToString(); }