private string DecodeImp(MailReader input, Encoding enc, bool header, GeneXus.Mail.Util.AsyncRunner runner) { int charRead = 0; StringBuilder sb = new StringBuilder(); while ((charRead = input.Read()) != -1) { if (header) { if (charRead == 13 || charRead == 10) // CR LF must be removed from header. { continue; } else if (charRead == 95) // Underscore in Header must be replaced by space. { charRead = ' '; } } sb.Append((char)charRead); ResetTimer(runner); } return(DecodeQuotedPrintable(sb.ToString(), enc)); }