System.IO.DriveInfo.ToString C# (CSharp) Method

        public override string ToString() => Name;
    }

        public static int Main(string[] args)
        {
            if (args.Length != 2)
            {
                Console.WriteLine("usage: makeiso [drive] [file]");
                return 1;
            }

            var drive = new DriveInfo(args[0]);

            if (drive.DriveType != DriveType.CDRom)
            {
                Console.Error.WriteLine("Invalid drive letter.");
                return 2;
            }

            try
            {
                using (var inputFileHandle = CreateFile(@"\\.\" + drive.ToString().TrimEnd('\\'), GENERIC_READ, FILE_SHARE_READ, IntPtr.Zero, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, 0))
                {
                    if (inputFileHandle.IsInvalid)
                    {
                        Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
                    }

                    using (var inputStream = new FileStream(inputFileHandle, FileAccess.Read))
                    {
                        using (var outputStream = new FileStream(args[1], FileMode.CreateNew))
                        {
                            inputStream.CopyTo(outputStream);
                        }
                    }
                }

                return 0;
            }
            catch (Exception e)
            {
                Console.Error.WriteLine(e.Message);
                return 1;
            }
        }