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....render.WindowHandle 这用于封装用于创建渲染窗口的本机窗口句柄。...renderfactory /** \* Create a render target that renders to the native window...