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....docName , false )) { // ดึง Relationship ID ของสไลด์แรก. PresentationPart...RelationshipId ; // ดึงส่วนสไลด์จาก Relationship ID. SlidePart slide = (...