public static void Main()
string Peca = "abcdefg" ;
DateTime Data =new DateTime();
string Operador = "1154";
Console.WriteLine(Peca.Substring(Peca.Length - 3), Peca.Length);
String CodBarras = Peca.PadLeft(4, '0').Substring((Peca.Length - 3), Peca.Length)
+ Data.ToString("ddmmyyyy")
+ Maquina.PadLeft(5, '0').Substring(0, 5)
+ Operador.PadLeft(6, '0').Substring(0, 6)
+ Sequencial.ToString().PadLeft(4, '0');
Console.WriteLine(CodBarras);
public void generateCodBarras()