In this blog post, we are happy to announce the public preview of some of the most requested JavaScript APIs. Visio JavaScript APIs are used to extend Visio for the web and build rich mashup scenarios.

Until now, there hasn’t been a way to automate the settings in this dialog via the API. In Visio 2010, we’ve enhanced the object model to make it possible to drive these settings programmatically using a set of new methods and properties on the ApplicationSettings object.

For Visio Services developers, documentation is available online as well as offline via the Microsoft SharePoint 2010 SDK. This blog describes previous versions of Visio developer content that is still available for use.

The Visio 2007 Viewer Developer Reference is up and can be accessed at: https://docs.microsoft.com/en-us/previous-versions/office/developer/office-2007/cc297211(v=office.12) The reference includes the full API reference and some short samples on how to embedded the viewer in different environments.  The Viewer provides an application programming...

The blog discusses ways to automate the settings in PNG output dialog via the API. In Visio 2010, we’ve enhanced the object model to make it possible to drive these settings programmatically using a set of new methods and properties on the ApplicationSettings object.

Previously, we took a look at how to create interactive mashups with Visio diagrams without writing any code. If you need more flexibility in creating rich diagram mashups than offered out of the box by web part connections, you can use the Visio Services JavaScript Mashup API. In this post we'll review the breadth of possibilities by the Visio Ser...

This blog details the features in the Visio 2010 SDK that is currently available for download.

In this post, we focus on the details of using the validation API to create validation rules, trigger validation, and manage validation issues.

This blog discusses how to publish Visio 2007 solutions.  In this context "solutions" refers to the add-ins, templates, stencils and/or help files that you have created and want to distribute to other people.

There have been several newsgroup postings about using VSTO to create Visio Add-ins.  The deployment of these add-ins can be especially challenging.  There is a new developer article by Chris Castillo detailing how to write VSTO add-ins for Visio.  Chris explains why using VSTO is desirable and aggregates information from a number of sources to wal...