This section explains how to draw ellipse,circle or oval in a visio page with Aspose.Diagram. Support using C# to draw circle or oval and save as pdf, svg, html, image, xps and other formats.... DrawEllipse ( 1 , 1 , 2 , 2 ); // Save diagram diagram ...0 ]. DrawEllipse ( 1 , 1 , 2 , 2 ); // Save diagram as SVG images...