You can't. But you can hook into the Editor's SelectionAdded event. From
there you can examine values in extension dictionaries and remove items from
the selection set that don't meet your criteria.
--
Bobby C. Jones
http://BobbyCJones.spaces.live.com
wrote in message news:5508624@discussion.autodesk.com...
Hi,
I want to know how can I create a selection Filter that filters entities
based on values stored in the entity Extension Dictionary, in VB.NET