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....FilePath + "Fill color of a shape.pptx" ; SetPPTShapeColor ( FileName...docName , true )) { // ดึงค่า Relationship ID ของสไลด์แรก. PresentationPart...