driver_list.cs

// Source: https://social.msdn.microsoft.com/Forums/vstudio/en-US/9c28a7b0-9ee1-425e-8aa0-afeac329a983/list-of-installed-devices-and-drivers-using-cnet?forum=csharpgeneral

// TODO - find a better way to approximate driveryquery /v (esp location of driver)

// To Compile:
//   C:\Windows\Microsoft.NET\Framework\v3.5\csc.exe /t:exe /out:driver_list.exe driver_list.cs


using System;
using System.Collections.Generic;
using System.Management;

namespace DriverList
{
    public class Driver
    {
        public string ID;
        public string Name;
        public string Version;
        public string Signer;
        public Driver(string id, string name, string version, string signer)
        {
            ID = id;
            Name = name;
            Version = version;
            Signer = signer;

            if (Name == "" && ID != "")
            {
                Name = ID;
            }
        }
    }

    public class Program
    {
        private static void PrintUsage()
        {
            Console.WriteLine(@"Lists data about installed drivers
    
USAGE:
    driver_list.exe [/V | /VV] [/?]
        
    /V    Verbose; lists driver ID, name, version, and signer
    /VV   Very verbose; dumps all driver data in list format
    /?    Prints help");
        }

        public static void Main(string[] args)
        {
            try
            {
                string id;
                string name;
                string version;
                string signer;
                int name_len = 0;
                int signer_len = 0;
                bool verbose = false;
                bool very_verbose = false;
                Driver d;
                List<Driver> driver_list = new List<Driver>();

                // Parse arguments
                for (int i = 0; i < args.Length; i++)
                {
                    string arg = args[i];

                    switch (arg.ToUpper())
                    {
                        case "-V":
                        case "/V":
                            verbose = true;
                            break;
                        case "-VV":
                        case "/VV":
                            very_verbose = true;
                            break;
                        case "/?":
                            PrintUsage();
                            return;
                    }
                }

                string fields = (very_verbose) ? "*" : "DeviceID,DeviceName,DriverVersion,Signer";
                string query = String.Format("SELECT {0} FROM Win32_PnPSignedDriver", fields);

                ManagementObjectSearcher searcher = new ManagementObjectSearcher(query);

                foreach (ManagementObject obj in searcher.Get())
                {
                    if (very_verbose)
                    {
                        foreach (PropertyData prop in obj.Properties)
                        {
                            Console.WriteLine("{0,-24}: {1}", prop.Name, prop.Value);
                        }

                        // Add a new line to separate property groups
                        Console.WriteLine("");
                    }
                    else
                    {
                        id = String.IsNullOrEmpty((string)obj.GetPropertyValue("DeviceID")) ? "" : obj.GetPropertyValue("DeviceID").ToString();
                        name = String.IsNullOrEmpty((string)obj.GetPropertyValue("DeviceName")) ? "" : obj.GetPropertyValue("DeviceName").ToString();
                        version = String.IsNullOrEmpty((string)obj.GetPropertyValue("DriverVersion")) ? "" : obj.GetPropertyValue("DriverVersion").ToString();
                        signer = String.IsNullOrEmpty((string)obj.GetPropertyValue("Signer")) ? "" : obj.GetPropertyValue("Signer").ToString();

                        d = new Driver(id, name, version, signer);
                        driver_list.Add(d);

                        name_len = (d.Name.Length > name_len) ? d.Name.Length : name_len;
                        signer_len = (d.Signer.Length > signer_len) ? d.Signer.Length : signer_len;
                    }
                }

                if (very_verbose)
                {
                    return;
                }

                if (verbose)
                {
                    foreach (Driver driver in driver_list)
                    {
                        Console.WriteLine("{0,-8}: {1}", "ID", driver.ID);
                        Console.WriteLine("{0,-8}: {1}", "Name", driver.Name);
                        Console.WriteLine("{0,-8}: {1}", "Version", driver.Version);
                        Console.WriteLine("{0,-8}: {1}\n", "Signer", driver.Signer);
                    }
                }
                else
                {
                    // Use the max length of the driver name to dynamically size the table
                    name_len += 4;
                    signer_len += 4;
                    string format_str = "{0,-" + name_len + "}{1}";
                    Console.WriteLine(format_str, "Name", "Signer");
                    Console.WriteLine(new String('-', name_len + signer_len));

                    foreach (Driver driver in driver_list)
                    {
                        Console.WriteLine(format_str, driver.Name, driver.Signer);
                    }
                }
            }
            catch (Exception e)
            {
                Console.Error.WriteLine(e.Message.Trim());
            }
            finally
            {
                Console.WriteLine("\nDONE");
            }
        }
    }
}