C# VB.NET ASP.NET Visio diagramming library to export Visio diagrams VSD VSDX VSS VST VSX VTX VDW VDX VSSX and VSTX to PDF XPS HTML SVG SWF and image formats...SaveFileFormat.PDF); dgr.Save(dir + "output..."output.html", Aspose.Diagram.SaveFileFormat.HTML); dgr.Save(dir + "output...