I thought I would share a common function that I use in all of my add-ins to help me determine if Visio is of the correct version and edition in order for my add-in to execute properly. Copy and paste this into Visual Studio… /// <summary> /// Gets...

Visio 2010 has a new feature that allows you to insert and delete shapes in a diagram, automatically handling split and heal operations for connectors along the way. For a detailed overview of this new functionality see this blog post by the product team...