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....* Returns the signature by index. * </p> */ public IDigitalSignature...IDigitalSignature get_Item ( int index ); /** * <p> * Adds the signature...