Using the “Hisowa Simple PopUp Behavior” in a DataGrid

In the http://www.codeproject.com/KB/silverlight/HisowaSimplePopUpBehavior.aspx article, it states that there was assistance by me. My assistance was mainly running each build (Haruhiro simply emailed the project to me each day), trying a few implementations, and complaining: I need to pass a parameter, any parameter, of any type, in and get it in the response.I need to bind to an ICommand, that