http://blogs.office.com/b/visio/archive/2011/05/03/video-adding-a-data-graphic-legend-in-visio-2010.aspxThe video below shows how to add a Data Graphic legend to a drawing using C# code. How might you use this code within the context of constructing diagrams with Data Graphics? As mentioned in a previous blog post , Visio Professional 2010 and Visio Premiumen-USTelligent Community 1.5.134.15456 (Build: 5.5.134.15456)