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modifed GetSerialPorts() for more reliable retrieval of all available ports
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@ -361,20 +361,23 @@ namespace SimplySerial
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/// Modified from the example written by Kamil Górski (freakone) available at
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/// http://blog.gorski.pm/serial-port-details-in-c-sharp
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/// https://github.com/freakone/serial-reader
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/// Some modifications were based on this stackoverflow thread:
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/// https://stackoverflow.com/questions/11458835/finding-information-about-all-serial-devices-connected-through-usb-in-c-sharp
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/// </summary>
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/// <returns>List of available serial ports</returns>
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private static List<ComPort> GetSerialPorts()
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{
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const string vidPattern = @"VID_([0-9A-F]{4})";
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const string pidPattern = @"PID_([0-9A-F]{4})";
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using (var searcher = new ManagementObjectSearcher("SELECT * FROM WIN32_SerialPort"))
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const string namePattern = @"(?<=\()COM[0-9]{1,3}(?=\)$)";
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using (var searcher = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_PnPEntity WHERE ClassGuid=\"{4d36e978-e325-11ce-bfc1-08002be10318}\""))
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{
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var ports = searcher.Get().Cast<ManagementBaseObject>().ToList();
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return ports.Select(p =>
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{
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ComPort c = new ComPort();
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c.name = p.GetPropertyValue("DeviceID").ToString();
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c.name = p.GetPropertyValue("Name").ToString();
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c.vid = p.GetPropertyValue("PNPDeviceID").ToString();
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c.description = p.GetPropertyValue("Caption").ToString();
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@ -386,6 +389,12 @@ namespace SimplySerial
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if (mPID.Success)
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c.pid = mPID.Groups[1].Value;
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Match mName = Regex.Match(c.name, namePattern);
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if (mName.Success)
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c.name = mName.Value;
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else
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c.name = "COM??";
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return c;
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}).ToList();
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