Describes the relation of an element to a zone.
    typedef enum {
        APIZRel_Boundary,
        APIZRel_ReduceArea,
        APIZRel_None
    } API_ZoneRelID;
    
Members
- APIZRel_Boundary
- The element is a zone boundary.
- APIZRel_ReduceArea
- The element reduces the area of the zone.
- APIZRel_None
- The element has no relation to the wall.
Requirements
- Version: API 2.1 or later
- Header: APIdefs_Elements.h