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....//Access the third shape Shape shp = slide . Shapes [ 2 ]; //Change... 0 x33 , 0 xCC ); //Change shape background color shp . FillFormat...