如何将生成的pdf文件作为附件发送到C#的电子邮件中？

MailMessage mail = new MailMessage();
mail.From = new MailAddress("sender@example.com");
mail.To.Add("recipient@example.com");
mail.Subject = "PDF Attachment";
mail.Body = "Please find the attached PDF file.";

Attachment attachment = new Attachment("path/to/pdf/file.pdf");
mail.Attachments.Add(attachment);

SmtpClient smtpClient = new SmtpClient("smtp.example.com", 587);
smtpClient.Credentials = new NetworkCredential("username", "password");
smtpClient.EnableSsl = true;
smtpClient.Send(mail);

attachment.Dispose();
mail.Dispose();