Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....Body = "This is body" }; // Load an attachment var attachment...메시지 파일을 사용하여 로드합니다 MailMessage.Load() 메서드. refAttach라는 새로운 ReferenceAttachment...