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....rectangle shape with text IAutoShape shp = pres . Slides [ 0 ]. Shapes...Rectangle , 50 , 50 , 150 , 50 ); shp . TextFrame . Text = "New Text"...