ArcObjects Library Reference (DefenseSolutions)  

IStackingRule Interface

Provides access to members specific to rules that govern whether two cached graphics should be stacked.

Product Availability

Available with ArcGIS Engine and ArcGIS Desktop.

Members

Description
Method ShouldBeStacked Indicates whether the rule believes the two specified cached graphics are stackable with each other.

CoClasses that implement IStackingRule

CoClasses and Classes Description
StackHigherFormationRule A rule that permits stacking if two objects share the same higher formation (parent) attribute.
StackProximityRule A rule that permits stacking if two objects are within a specified distance of one another.
StackSymbolIDRule A rule that permits stacking if two objects share the same symbol ID value.
StackValueRule A rule that permits stacking if two objects share the same value for a specified attribute.

Remarks

Stacking rules analyze a pair of stackable cached graphics and determine whether they should be combined on a common graphic stack object.  These rules are managed by force element display lists.