List hardware devices

ListDevice.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Management;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            ListDevices();
        }

        static void ListDevices()
        {
            // Query the device list trough the WMI. If you want to get
            // all the properties listen in the MSDN article mentioned
            // below, use "select * from Win32_PnPEntity" instead!
            ManagementObjectSearcher deviceList =
                new ManagementObjectSearcher("Select Name, Status from Win32_PnPEntity");

            // Any results? There should be!
            if (deviceList != null)
            {
                // Enumerate the devices
                foreach (ManagementObject device in deviceList.Get())
                {
                    // To make the example more simple,
                    string name = device?.GetPropertyValue("Name")?.ToString();
                    string status = device?.GetPropertyValue("Status")?.ToString();

                    // Uncomment these lines and use the "select * query" if you 
                    // want a VERY verbose list
                    // foreach (PropertyData prop in device.Properties)
                    //    Console.WriteLine( "\t" + prop.Name + ": " + prop.Value);

                    // More details on the valid properties:
                    // http://msdn.microsoft.com/en-us/library/aa394353(VS.85).aspx
                    Console.WriteLine("Device name: {0}", name);
                    Console.WriteLine("\tStatus: {0}", status);

                    // Part II, Evaluate the device status.
                    bool working = ((status == "OK") || (status == "Degraded")
                        || (status == "Pred Fail"));

                    Console.WriteLine("\tWorking?: {0}", working);
                }
            }
        }
    }
}