Windows management Instrumentation

WMI is a set of extensions to the windows drives model that provides an opertaing system interface through which instrumental components provide information and notification.Microsoft also provides a command line interface to WMI called Windows Management Instrumentation Command Line(WMIC)

Win32-Operating System

            CSName,Caption,Windows directory,serialno,registered user,no of processes

Win32-Bios

Version,name,manufacturer,serialnumber,release date,current language,primary bios,status

            Win32-ComputerSystem

                        Manufacturer,username,totalphysicalmemory,system type,model

            Win32-Processor

                        Caption,Current Clock Speed

            Win32-TimeZone

                        Caption

            Win32-CDROMDrive

                        Caption,mediatype,drive,manufacturer,description

            Win32-Account

                        Name,description,domain,sid

            Win32-DiskDrive

                        Caption,deviceid,index,partitions

            using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Management;

namespace WindowsFormsApplication1

{

    public partial class WMI : Form

    {

        public WMI()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            SelectQuery query = new SelectQuery("Win32OperatingSystem");

            ManagementObjectSearcher search = new ManagementObjectSearcher(query);

            foreach (ManagementObject mobj in search.Get())

            {

                MessageBox.Show(mobj["CSname"].ToString());

            }

        }

        private void WMI_Load(object sender, EventArgs e)

        {

        }

    }

}