VisioAutomation makes it easier for developers to control Visio from .NET languages. In addition to simplifying common tasks, it makes it easier to build your own Visio add-ins and automation/scripting tools.
- VisioAutomation https://saveenr.gitbook.io/visioautomation/
- Visio PowerShell https://saveenr.gitbook.io/visiopowershell/