A rule that permits stacking if two objects are within a specified distance of one another.
| Interfaces | Description |
|---|---|
| IAutoGroupRule | Controls members that are common to all cached graphic grouping rules. |
| IClassID (System) | Provides access to methods identifying class ID. |
| IPersistStream (System) | |
| IPersistVariant (System) | Provides access to members used for storage of an object through VARIANTs. |
| IStackingRule | Controls members specific to rules that govern whether two cached graphics should be stacked. |
| IStackProximityRule | Provides an identity interface to StackProximityRule objects. |