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