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....所有这些方法都接受Pen对象作为第一个参数。将后续参数传递以定义围绕椭圆的矩形。为...Rectangle对象作为第二参数的版本,使用所需颜色的Pen对象绘制椭圆。 绘制填充多边形 接下来,使用LinearG...