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....设置图表后墙填充颜色 设置图表绘图区填充颜色 将修改后的演示文稿写入 PPTX 文件 // Create an instance of...( "FormattedChart.pptx" , SaveFormat . Pptx ); } finally { if...