how to get bios information in c# desktop application

using Microsoft.Win32;

ManagementObjectSearcher searcher = 
    new ManagementObjectSearcher(@"\\.\root\cimv2",
                                 "SELECT * FROM Win32_BIOS"));

foreach (var _object in searcher.Get())
{
    if (_object != null)
    {
        try
        {
            string object_name = "?";
            
            if (_object["Name"] != null)
            {
                object_name = _object["Name"].ToString();
            }
            else if (_object["Caption"] != null)
            {
                object_name = _object["Caption"].ToString();
            }
            else if (_object["Description"] != null)
            {
                object_name = _object["Description"].ToString();
            }
            
            foreach (var property in _object.Properties)
            {
                string property_name  = property.Name;

                if ((property.Value != null) &&
                    (!property_name.Contains("CreationClassName")))
                {
                    string property_value;
                    
                    if (!(property.Value is Array))
                    {
                        property_value = property.Value.ToString();
                    }
                    else
                    {
                        StringBuilder _property_value = new StringBuilder();
                        
                        Array _property_array = property.Value as Array;
                        
                        int count = 0;
                        
                        foreach (var entry in _property_array)
                        {
                            if (count > 0) _property_value.Append(",\r\n");
                            _property_value.Append(entry.ToString());
                            count++;
                        }

                        property_value = _property_value.ToString();
                    }
                }
            }
        }
        
        catch (ManagementException exception)
        {
            System.Diagnostics.Trace.WriteLine(exception.ToString());
        }
    }
}