pcmhacking.net

Code: Select all

            if (!string.IsNullOrEmpty(this.PortName) &&
                this.PortName.StartsWith("COM") && 
                this.PortName.Length > 3)
            {
                int number;
                int.TryParse(this.PortName.Substring(3), out number);
                this.PortNumber = number;
            }
            else
            {
+                if(!this.PortName.StartsWith("LPT"))
+                {
                    logger.AddDebugMessage(
                        string.Format(
                            "Unable to get port number for '{0}' / '{1}' with port name '{2}'",
                            this.Name,
                            this.DeviceID,
                            this.PortName));
+                }
            }

Code: Select all

        public static IEnumerable<SerialPortInfo> GetPorts(ILogger logger)
        {
            List<SerialPortInfo> result = new List<SerialPortInfo>();

            ManagementObjectSearcher Ports = new ManagementObjectSearcher(
                "root\\CIMV2", "SELECT * FROM Win32_PnPEntity WHERE ClassGuid = '{4d36e978-e325-11ce-bfc1-08002be10318}' AND NOT Service = 'Parport'"
                );
            foreach (ManagementObject portManagementObject in Ports.Get())
            {
                var portInfo = new SerialPortInfo(portManagementObject, logger);
                if (portInfo.PortName == null)
                {
                    continue;
                }

                if (portInfo.PortNumber == 0)
                {
                    continue;
                }

                result.Add(portInfo);
            }

            return result.OrderBy(x => x.PortNumber);
        }

Code: Select all

using System.IO.Ports; // to get port list

            //show list of valid com ports
            int i = 0;
            foreach (string s in SerialPort.GetPortNames())
            {
                ComPort.Items.Add(s);
                ComPort.SelectedIndex = i++;
            }