C# :Zxing Variation of the first number?

Question

People I developed this barcode reader in C# using Zxing , it reads the barcode of an img and then it takes the image number , moves the image to another folder and renames the image with the barcode number

            //Esse é o método pra ler a imagem
            Bitmap image;`


            image = (Bitmap)Bitmap.FromFile(recebe);

            LuminanceSource source;
            source = new BitmapLuminanceSource(image);
            BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
            Result result = new MultiFormatReader().decodeWithState(bitmap);

            //faz um condicional para ler o que existe dentro da matriz Barcode
            foreach (string code in result)
            {

                if (!Directory.Exists(nomePasta.ToString()))
                {
                    Directory.CreateDirectory(nomePasta.ToString());
                }
                else 
                { 

                }

                if (codigo == 0)
                {
                    codigo = Convert.ToInt32(0 + code);

                    File.Move(stringCaminho.ToString(), nomePasta.ToString() + code + ".bmp");
                }

                else if (codigo + 0 > Convert.ToInt32(0 + code))
                {
                    MessageBox.Show("Código de barras está errado! "+code);
                }

                dataGridView1.Rows.Add(code);
                //esta dando erro para fazer o Move da segunda referencia


                }


                }

The problem is that when he reads the barcode he always brings the first wrong number, and the others he brings it right, which I can do?