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....(); try { // 创建一个聚类柱状图 IChart chart = pres . getSlides (). get_Item...添加指数趋势线 ITrendline tredLinep = chart . getChartData (). getSeries...