private void buttonBeepSet_Click(object sender, EventArgs e) { byte BeepEn = 0; if (radioButtonBeepOpen.Checked) { BeepEn = 1; } else { BeepEn = 0; } try { ErrorsCatcher.errorName = RWDev.SetBeepNotification(ref RWDev.comAddress, BeepEn, RWDev.frmComPortIndex); if (ErrorsCatcher.errorName != 0) { string strLog = "Set beep failed " + ErrorsCatcher.GetReturnCodeDesc(ErrorsCatcher.errorName) + Environment.NewLine; richTextBoxLogs.AppendText(strLog); return; } else { string strLog = "Set beep success" + Environment.NewLine; richTextBoxLogs.AppendText(strLog); } } catch { richTextBoxLogs.AppendText("Set beep failed!" + Environment.NewLine); } }