Hi,
I have different items with different templates that user can drop into the diagram from a palette.
One is a simple TextBlock and another is a kind of table as described in the 'Find parent container' post (http://www.nwoods.com/forum/forum_posts.asp?TID=5739&PID=24438&title=find-parent-container#24438).
I have a button in the page that only calls a function to delete the selected nodes in this way: