Are you looking to learn how to convert Visio to SVG in C#. Install this Visio file format library to manipulate VSD/VSDX files programmatically.
Convert Visio to SVG or Visio to HTML in Node.js
Programmatically convert Visio to SVG or Visio to HTML in Node.js application. Install this Node.js library to manipulate & convert VSDX or VSD files robustly.