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....Ellipse(float left, float bottom, float width, float height) 属性: Left - 指示椭圆左侧位置的浮点值。...指示椭圆左侧位置的浮点值。 Bottom - 指示椭圆底部位置的浮点值。 Width - 表示椭圆宽度的浮点值。 Height - 表示椭圆高度的浮点值。...