Great artical Geert.
@denty, try something like this (works on access, issue with type conversion on sql server) :
select t_diagram.Diagram_ID AS CLASSGUID, t_diagram.Diagram_Type AS CLASSTYPE, t_diagram.Name, t_connector.Connector_Type, t_object.Name
from t_connector, t_xref, t_object, t_diagramobjects o1, t_diagramobjects o2, t_diagram
where t_xref.Client = t_connector.ea_guid
and t_xref.description = t_object.ea_guid
and (t_connector.Start_Object_ID = o1.object_id and t_connector.End_Object_ID = o2.object_id)
and t_diagram.Diagram_ID = o1.diagram_id
You can create a new "search builder" query with this, then use find in project browser on the search results to navigate to the diagram...
Regards,
Jon.