NotaFiscalEletronica notaFiscal = null;
    using (FileStream fs = new FileStream("Nfe.xml", FileMode.Open))
    {
        notaFiscal = nfeSerializer.DeserializeFromStream<NotaFiscalEletronica>(fs);
        Debug.WriteLine(String.Format("Num Nfe.: {0}", notaFiscal.InfNfe.Ide.NumNf));
        Debug.WriteLine(String.Format("Remetente.: {0}", notaFiscal.InfNfe.Emitente.Nome));
        Debug.WriteLine(String.Format("Destinatário.: {0}", notaFiscal.InfNfe.Destinatario.Nome));
        Debug.WriteLine(String.Format("Qtde. Itens.: {0}", notaFiscal.InfNfe.Itens.Count));            
    }