System;
using System.IO;
using System.Management;
namespace WMI

{
   class Class1
   {
      static void Main(string[] args)
      {
         System.Management.ManagementScope ms = new System.Management.ManagementScope("\\\\localhost\\root\\cimv2");

         //Pull OPERATING SYSTEM information
         System.Management.ObjectQuery oq = new System.Management.ObjectQuery("SELECT * FROM Win32_OperatingSystem");
         ManagementObjectSearcher query = new ManagementObjectSearcher(ms,oq);
         ManagementObjectCollection queryCollection = query.Get();

         Console.WriteLine("OPERATING SYSTEM");
         Console.WriteLine("================");
         foreach (ManagementObject mo in queryCollection)
         {
            TimeSpan offsetGMT = System.TimeZone.CurrentTimeZone.GetUtcOffset(System.DateTime.Now); //Get GMT offset
            DateTime installDate = fixdate((String)mo["installdate"]).Subtract(offsetGMT);
            DateTime lastReboot = fixdate((String)mo["lastbootuptime"]).Subtract(offsetGMT);
            TimeSpan uptime = DateTime.Now.Subtract(lastReboot);
            Double totalRAM = Double.Parse(mo["TotalVisibleMemorySize"].ToString())/1024;
            Double freeRAM = Double.Parse(mo["FreePhysicalMemory"].ToString())/1024;

            Console.WriteLine("OS: " + mo["caption"].ToString());
            Console.WriteLine("Version: " + mo["version"].ToString());
            Console.WriteLine("Build: " + mo["buildnumber"].ToString());
            Console.WriteLine("Installed On: " + installDate);
            Console.WriteLine("Last Reboot: " + lastReboot);
            Console.WriteLine("Uptime: " + uptime.Days + " days, " + uptime.Hours + " hours, " + uptime.Minutes + " minutes");
            Console.WriteLine("System Directory: " +mo["WindowsDirectory"].ToString());
            Console.WriteLine("Description: " + mo["Description"].ToString());
            Console.WriteLine("RAM Total: " + Math.Ceiling(totalRAM) + " MB");
            Console.WriteLine("RAM Used: " + Math.Ceiling(totalRAM-freeRAM) + " MB");
         }

         //Pull HARDWARE information

         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_ComputerSystem");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("HARDWARE");
         Console.WriteLine("========");

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine("Manufacturer: " + mo["manufacturer"]);
            Console.WriteLine("Model: " + mo["model"]);
            Console.WriteLine("User Logged In: " + mo["username"]);
         }

         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_BIOS"); //BIOS Information
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine("BIOS: " + mo["version"]);
         }

         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_SoundDevice"); //Sound Card Information
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine("Sound: " + mo["description"]);
         }

         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_CDROMDrive"); //CD-ROM Information
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine("CD-ROM: " + mo["caption"]);
         }

         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_VideoConfiguration"); //Video Information
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         foreach (ManagementObject mo in queryCollection)
         {
            Double videoRAM = Double.Parse(mo["adapterRAM"].ToString())/1024/1024;
            Console.WriteLine("Video Card: " + mo["adapterChipType"]);
            Console.WriteLine("Video RAM: " + videoRAM + " MB");
         }

         //Pull REGISTRY information
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_Registry");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("REGISTRY AND PAGEFILE");
         Console.WriteLine("====================");

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine("Registry Current Size: " + mo["currentSize"] + " MB");
            Console.WriteLine("Registry Max Size: " + mo["maximumSize"] + " MB");
         }

         //Pull PAGEFILE information
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_PageFile");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine("Initial Pagefile Size: " + mo["initialSize"] + " MB");
            Console.WriteLine("Maximum Pagefile Size: " + mo["maximumSize"] + " MB");
         }


         //Pull DRIVE information
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_LogicalDisk");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("DRIVES");
         Console.WriteLine("======");

         foreach (ManagementObject mo in queryCollection)
         {
            switch(int.Parse(mo["drivetype"].ToString()))
            {
               case 3:
                  double total=Math.Round(double.Parse(mo["size"].ToString())/1024/1024/1024,1);
                  double free=Math.Round(double.Parse(mo["freespace"].ToString())/1024/1024/1024,1);
                  double used=total-free;
                  Console.WriteLine("Drive "+mo["deviceID"]+" (Physical Disk) Used: "+used+"GB Total: "+total+"GB");
                  break;
               case 4:
                  Console.WriteLine("Drive "+mo["deviceID"]+" "+mo["providername"]);
                  break;
               default:
                  Console.WriteLine("Drive "+mo["deviceID"]+" ("+mo["description"]+")");
                  break;
            }
         }

         //Pull NIC information
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_NetworkAdapterConfiguration");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("NIC INFORMATION");
         Console.WriteLine("===============");

         foreach (ManagementObject mo in queryCollection)
         {
            if((bool)mo["IPEnabled"] == true)
               {
                  String[] addresses = (string[])mo["IPAddress"];
                  String[] subnets = (string[])mo["IPSubnet"];
                  foreach(String s in addresses)
                  {
                     Console.WriteLine("IP Address: "+s);
                  }

                  Console.WriteLine("NIC: "+mo["description"]);
                  Console.WriteLine("MAC: "+mo["MACAddress"]);
                  Console.WriteLine("DHCP Enabled: "+mo["DHCPenabled"]);
               }
         }

         //Pull SHARES information
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_Share");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("LOCAL SHARES");
         Console.WriteLine("============");

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine(mo["name"] + " = " + mo["path"]);
         }

         //Pull currently RUNNING SERVICES
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_Service");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("SERVICES");
         Console.WriteLine("========");

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine(mo["description"]);
         }


         //Pull PRINTERS information
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_Printer");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("PRINTERS");
         Console.WriteLine("========");

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine(mo["deviceID"]);
         }


         //Pull STARTUP PROGRAMS
         oq = new System.Management.ObjectQuery("SELECT * FROM Win32_StartupCommand");
         query = new ManagementObjectSearcher(ms,oq);
         queryCollection = query.Get();

         Console.WriteLine();
         Console.WriteLine("STARTUP PROGRAMS");
         Console.WriteLine("================");

         foreach (ManagementObject mo in queryCollection)
         {
            Console.WriteLine(mo["name"] + " = " + mo["command"]);
         }


         Console.WriteLine();

      }

      static DateTime fixdate(String inDate)
      {
         //This function fixes the date/time return by WMI into a
         //human readable format.
         String yr=inDate.Substring(0,4);
         String mo=inDate.Substring(4,2);
         String dy=inDate.Substring(6,2);
         String hr=inDate.Substring(8,2);
         String mn=inDate.Substring(10,2);
         String sc=inDate.Substring(12,2);

         return DateTime.Parse(mo+"/"+dy+"/"+yr+" "+hr+":"+mn+":"+sc);
      }
   }
}