Get the device name connected to the serial port

c# serial-port
Arnaud F. picture Arnaud F. · Dec 21, 2010 · Viewed 21.2k times · Source

I search how to get the device name of the material connected to the serial port.

I've two different types of material that can connect on it.

First one : a printer (only receives data and send nothing back) Second one : a balance (only send data and receives nothing)

How can I distinguish this two types of material?

Thanks.

Answer

mahendra apte picture mahendra apte · May 16, 2011

try this:

        ManagementObjectCollection ManObjReturn;
        ManagementObjectSearcher ManObjSearch;
        ManObjSearch = new ManagementObjectSearcher("Select * from Win32_SerialPort");
        ManObjReturn = ManObjSearch.Get();

        foreach (ManagementObject ManObj in ManObjReturn)
        {
            //int s = ManObj.Properties.Count;
            //foreach (PropertyData d in ManObj.Properties)
            //{
            //    MessageBox.Show(d.Name);
            //}
            MessageBox.Show(ManObj["DeviceID"].ToString());
            MessageBox.Show(ManObj["PNPDeviceID"].ToString());
               MessageBox.Show(ManObj["Name"].ToString());
               MessageBox.Show(ManObj["Caption"].ToString());
               MessageBox.Show(ManObj["Description"].ToString());
               MessageBox.Show(ManObj["ProviderType"].ToString());
               MessageBox.Show(ManObj["Status"].ToString());

        }

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