Power Browse Form Hierarchical Structures

Hierarchical relationships govern the processing between containers in the application. The power form enables you to create hierarchies based on BVs using power forms and subform controls. A power form always resides at the top of the hierarchy. It is a parent form, and can have multiple subform children. Subforms also can function as parent forms, and they can have multiple children. All subforms must have at least one parent power form or subform. At most, you can have three levels, including the initial power form, in a power form hierarchy.

Note: Data flow follows the parenting structure in the logical hierarchy.A subform can communicate only with its parent or its children. Logic from the event rules (ER) on the subform, or its subcontrols, does not flow to or from the other subforms. Related information does not appear in the available objects.

This flowchart illustrates the general hierarchy scheme of power forms:

Object	Passes Logic To and From
Power Form	Subforms A, D, and E
Subform A	Power Form, Subforms B and C
Subforms B and C	Subform A, Power Form
Subform D	Power Form
Subform E	Power Form, Subforms F and G
Subforms F and G	Subform E, Power Form