A VB.NET port of a sample application in the Visio2010 SDK. In addition from changing the source language from C# to VB.NET, the user interface is WPF rather than WinForms. This sample from the SDK is an excellent start for those that want to roundtrip information between Visio and some datasource. The interface uses the Visio Activex draw control.
Video intro
http://www.youtube.com/watch?v=NiN4IO_lq8w
have fun,
al