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....AddTextBox () { //创建一个演示文稿 PowerPoint . Presentation pres = Globals... msoFalse ); //获取空白幻灯片布局 PowerPoint . CustomLayout layout = pres...