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.... 使用 LoadOptions 类设置警告回调。 加载一个使用在目标机器上不可用的字体的演示文稿文件。...设置警告回调 System :: SharedPtr < LoadOptions > options = System :: MakeObject...