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.... 将修改后的演示文稿写入 PPTX 文件。 以下代码用于创建一个带有趋势线的图表。 // 创建..."ChartTrendLines_out.pptx" , SaveFormat . Pptx ); } finally { if...