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....string targetFile ) { string Text = "" ; // 实例化表示 PPTX 的 Presentation...从占位符中获取文本 Text = (( IAutoShape ) shp ). TextFrame . Text ; (( IAutoShape...