public EmailAttachment Add(byte[] fileBytes, string saveAs)
 {
     EmailAttachment o_Attachment = new EmailAttachment(fileBytes, saveAs);
     this.Add(o_Attachment);
     return o_Attachment;
 }
 public void Add(EmailAttachment emailAttachment)
 {
     this.List.Add(emailAttachment);
 }
 public EmailAttachment Add(string originalName, string saveAs)
 {
     EmailAttachment o_Attachment = new EmailAttachment(originalName, saveAs);
     this.Add(o_Attachment);
     return o_Attachment;
 }