Comments (3)
Sorry for such a late reply, I didn't see your comment until just now.
The code for finding serial ports uses the Windows ManagementObjectSearcher, and it searches for anything classified as a WIN32_SerialPort. Here is the full code snippet:
private void Refresh_ports_worker_DoWork(object sender, DoWorkEventArgs e)
{
lock (_available_devices_lock)
{
//Create a list to hold information from USB devices
List<USBDeviceInfo> devices = new List<USBDeviceInfo>();
//Query all connected devices
var searcher = new ManagementObjectSearcher(@"SELECT * FROM WIN32_SerialPort");
var collection = searcher.Get();
//Grab the information we need
foreach (var device in collection)
{
string id = (string)device.GetPropertyValue("DeviceID");
string desc = (string)device.GetPropertyValue("Description");
USBDeviceInfo d = new USBDeviceInfo(desc, id, false);
devices.Add(d);
}
//Dispose of the collection of queried devices
collection.Dispose();
//Set the list of available devices
_available_devices = devices;
}
}
This code could theoretically be replaced with a call to SerialPort.GetPortNames()
, but then you would have no information as to which device each COM port represents. As far as I know, the above code should find all the same COM ports as SerialPort.GetPortNames()
, in addition to providing you extra information about what each COM port is.
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