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....get_Item ( 0 ); IShapeCollection shapes = slide . getShapes (); IChart...IChart chart = ( IChart ) shapes . get_Item ( 0 ); // 动画系列 slide...