get BIOS info

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Import namespaces

using System;
using System.Collections.Generic;
using System.Management; // requires adding System.Management reference to project

Code

ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_BIOS");
ManagementObjectCollection collection = searcher.Get();

var items = new List<Win32_BIOS>();
foreach (ManagementObject obj in collection)
{
    var item = new Win32_BIOS();
    item.BiosCharacteristics = (ushort[])obj["BiosCharacteristics"];
    item.BIOSVersion = (string[])obj["BIOSVersion"];
    item.BuildNumber = (string)obj["BuildNumber"];
    item.Caption = (string)obj["Caption"];
    item.CodeSet = (string)obj["CodeSet"];
    item.CurrentLanguage = (string)obj["CurrentLanguage"];
    item.Description = (string)obj["Description"];
    item.IdentificationCode = (string)obj["IdentificationCode"];
    item.InstallableLanguages = (ushort?)obj["InstallableLanguages"];
    item.InstallDate = (DateTime?)obj["InstallDate"];
    item.LanguageEdition = (string)obj["LanguageEdition"];
    item.ListOfLanguages = (string[])obj["ListOfLanguages"];
    item.Manufacturer = (string)obj["Manufacturer"];
    item.Name = (string)obj["Name"];
    item.OtherTargetOS = (string)obj["OtherTargetOS"];
    item.PrimaryBIOS = (bool?)obj["PrimaryBIOS"];
    item.ReleaseDate = (string)obj["ReleaseDate"];
    item.SerialNumber = (string)obj["SerialNumber"];
    item.SMBIOSBIOSVersion = (string)obj["SMBIOSBIOSVersion"];
    item.SMBIOSMajorVersion = (ushort?)obj["SMBIOSMajorVersion"];
    item.SMBIOSMinorVersion = (ushort?)obj["SMBIOSMinorVersion"];
    item.SMBIOSPresent = (bool?)obj["SMBIOSPresent"];
    item.SoftwareElementID = (string)obj["SoftwareElementID"];
    item.SoftwareElementState = (ushort?)obj["SoftwareElementState"];
    item.Status = (string)obj["Status"];
    item.TargetOperatingSystem = (ushort?)obj["TargetOperatingSystem"];
    item.Version = (string)obj["Version"];

    items.Add(item);
}

Class

public class Win32_BIOS
{
    public ushort[] BiosCharacteristics;
    public string[] BIOSVersion;
    public string BuildNumber;
    public string Caption;
    public string CodeSet;
    public string CurrentLanguage;
    public string Description;
    public string IdentificationCode;
    public ushort? InstallableLanguages;
    public DateTime? InstallDate;
    public string LanguageEdition;
    public string[] ListOfLanguages;
    public string Manufacturer;
    public string Name;
    public string OtherTargetOS;
    public bool? PrimaryBIOS;
    public string ReleaseDate;
    public string SerialNumber;
    public string SMBIOSBIOSVersion;
    public ushort? SMBIOSMajorVersion;
    public ushort? SMBIOSMinorVersion;
    public bool? SMBIOSPresent;
    public string SoftwareElementID;
    public ushort? SoftwareElementState;
    public string Status;
    public ushort? TargetOperatingSystem;
    public string Version;
}

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