using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace SystemDevices
{
    class Program
    {
        static void Main(string[] args)
        {
            Guid classGuid = Guid.Empty;
            IntPtr hDevInfo = Win32.SetupDiGetClassDevs(ref classGuid, null, IntPtr.Zero, Win32.DIGCF_ALLCLASSES | Win32.DIGCF_PRESENT);
            if (hDevInfo.ToInt32() == Win32.INVALID_HANDLE_VALUE)
            {
                Console.WriteLine("访问硬件设备失败");
            }
            else
            {
                int i = 0;
                StringBuilder deviceName = new StringBuilder();
                deviceName.Capacity = Win32.MAX_DEV_LEN;
                do
                {
                    SP_DEVINFO_DATA devInfoData = new SP_DEVINFO_DATA();
                    devInfoData.cbSize = Marshal.SizeOf(typeof(SP_DEVINFO_DATA));
                    devInfoData.classGuid = Guid.Empty;
                    devInfoData.devInst = 0;
                    devInfoData.reserved = IntPtr.Zero;
                    bool result = Win32.SetupDiEnumDeviceInfo(hDevInfo, i, devInfoData);
                    if (false == result)
                    {
                        break;
                    }
                    Console.WriteLine("Device: {0}", i);
                    Console.WriteLine("\tGuid={0}", devInfoData.classGuid);
                    Console.WriteLine("\tName={0}", Win32.GetClassNameFromGuid(devInfoData.classGuid));
                    Console.WriteLine("\tDescription={0}", Win32.GetClassDescriptionFromGuid(devInfoData.classGuid));
                    Console.WriteLine("\tInstance Id={0}", Win32.GetDeviceInstanceId(hDevInfo, devInfoData));
                    ++i;
                } while (true);
                Console.WriteLine("*****************************************************");
                Console.Write("输入要禁止的设备号(0-{0}):", i-1);
                string str = Console.ReadLine();
                int id;
                if (true == Int32.TryParse(str, out id))
                {
                    if (id >= 0)
                    {
                        Console.Write("输入\"Y\"启用该设备:");
                        str = Console.ReadLine();
                        Console.WriteLine("{0}设备{1}", (str.ToLower() == "y" ? "启用" : "禁用"), Win