Drills down into the given shape.

The unit classifier.The element classifier. This is the element instance to drill into.Returns the rule's success/failure status.<h2>Dependencies</h2><div class="INSET">None</div> <h2>Behavior</h2> The behavior can be extended to perform any custom drill-down actions. The typical drill-down behavior is to zoom the display into a more detailed view of the element in context.(c) SAP AG 2003-2006. All rights reserved.