using System;
using System.Collections.Generic;
using System.Text;
using System.Management;                
using System.Management.Instrumentation;   

namespace temperature
{
    class Program
    {
        const byte TEMPERATURE_HDD = 194;
        static public List<byte> GetDriveTemp()
        {
            List<byte> retval = new List<byte>();
            try
            {
                ManagementObjectSearcher searcher = new ManagementObjectSearcher("root\\WMI", "SELECT * FROM MSStorageDriver_ATAPISmartData");
                //loop through all the hard disks
                foreach (ManagementObject queryObj in searcher.Get())
                {
                    byte[] arrVendorSpecific = (byte[])queryObj.GetPropertyValue("VendorSpecific");
                    //Find the temperature attribute
                    int tempIndex = Array.IndexOf(arrVendorSpecific, TEMPERATURE_HDD);
                    retval.Add(arrVendorSpecific[tempIndex + 5]);
                }
            }
            catch (ManagementException err)
            {
                Console.WriteLine("An error occurred while querying for WMI data: " + err.Message);
            }
            return retval;
        }


        static void Main(string[] args)
        {
            List<byte> ls = GetDriveTemp();
            foreach (byte b in ls)
                Console.WriteLine(b);

        }
    }
}