.NET 2.x Системная информация - как улучшить код? - C#

string savePath = @"C:\Sys.txt";
                   using (FileStream file = new FileStream(savePath, FileMode.Append))
                           {
                   using (StreamWriter twf = new StreamWriter(file, Encoding.UTF8))
                           {
                   foreach (ManagementBaseObject avResult in avsearcher.Get())
                           {
                               pcAntivirus = "& " + (avResult.GetPropertyValue("displayName")).ToString();
                               pcAntivirus = (pcAntivirus.StartsWith("& ")) ? pcAntivirus.Substring(1) : pcAntivirus;
                               twf.WriteLine(" антивирус: " + pcAntivirus);
                           }
                           foreach (ManagementObject gr in gs.Get())
                           {
                               foreach (PropertyData pty in gr.Properties)
                               {
                                   if (pty.Name == "Description")
                                   {
                                       pcGPU += pty.Value.ToString();
                                       twf.WriteLine("  Видеоадаптер: " + pcGPU);
                                   }
                               }
                           }
foreach (ManagementObject gob in sar.Get())
                           {
                               twf.WriteLine("  Модель компьютера: " + gob["Manufacturer"] + gob["Model"]);
                           }