[C#] 發送內嵌多個圖片的Mail

public void SendMail()
{
            Encoding encode = Encoding.GetEncoding("UTF-8");
            MailMessage myMail = new MailMessage();

            myMail.From = new MailAddress("admin@test.com", string.Empty, encode);
            myMail.To.Add("a@test.com, b@test.com");
            myMail.Subject = "Test";
            myMail.SubjectEncoding = encode;
            myMail.Body = "<img src=\"test1.jpg\" /><img src=\"test2.jpg\" />";
            myMail.BodyEncoding = encode;

            //需啟用html格式才可內嵌圖片
            myMail.IsBodyHtml = true;

            myMail.Attachments.Add(GetAttachment("test1.jpg", encode));
            myMail.Attachments.Add(GetAttachment("test2.jpg", encode));

            SmtpClient smtp = new SmtpClient("localhost");

            try
            {
                smtp.Send(myMail);
                MessageBox.Show(DateTime.Now.ToString() + " 寄信成功");
            }
            catch (Exception ex)
            {
                MessageBox.Show(DateTime.Now.ToString() + " 寄信失敗" + ex.ToString());
            }
}

 private Attachment GetAttachment(string strFileName, Encoding encode)
 {
            //設定圖片路徑
            string strFilePath = @"C:\" + strFileName;
            Attachment attachment = new Attachment(strFilePath);
            attachment.Name = strFileName;
            attachment.NameEncoding = encode;
            attachment.TransferEncoding = TransferEncoding.Base64;

            // 設定附件為內嵌
            attachment.ContentDisposition.Inline = true;
            attachment.ContentDisposition.DispositionType = "inline";

            return attachment;
 }

參考資料:
http://blog.miniasp.com/post/2008/02/06/How-to-send-Email-with-embedded-picture-image.aspx
http://www.dotblogs.com.tw/sam19820611/archive/2009/09/09/10509.aspx