http://blogs.msdn.com/b/officedevdocs/archive/2011/03/15/use-the-page-dropcallout-method-to-add-callouts-to-shapes-programmatically-in-visio-2010.aspx[Note: This is the fourth in a series of blog posts that highlight some of the new members of the Visio 2010 VBA object model.] In the first post in this series, I talked about the Page.DropConnected method. In the second post , I featured the Page.LayoutChangeDirectionen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)