public string Get_POS_Buffer(POS_Resposta resp, string desc)
{
StringBuilder sb = new StringBuilder("00");
sb.Append(resp.get_st_codResp().PadLeft(4, '0'));
sb.Append("S");
sb.Append(resp.get_st_nsuRcb().PadLeft(6, '0'));
sb.Append(resp.get_st_nsuBanco().PadLeft(14, '0'));
sb.Append(resp.get_st_nomeCliente().PadRight(40, ' '));
sb.Append("004200");
sb.Append(desc.PadRight(20, ' '));
sb.Append(resp.get_st_loja().PadLeft(15, '0'));
sb.Append(resp.get_st_PAN().PadLeft(14, '0'));
sb.Append(resp.get_st_mesPri().PadLeft(2, '0'));
sb.Append(DateTime.Now.ToString("dd/MM/yyyy"));
sb.Append(DateTime.Now.ToString("HH:mm:ss"));
int tamVar = resp.get_st_variavel().Length;
sb.Append(tamVar.ToString("000"));
sb.Append(resp.get_st_variavel());
return(sb.ToString());
}