![]()  | Null Style | 
![]()  | Absence de style | 
| Item | SPF | XML | Change | Description | IFC4 Addendum 2 Technical Corrigendum 1 4.0.2.1 | 
|---|---|---|---|---|
| IfcNullStyle | MODIFIED | Status changed to Deprecated.  | IFC4x1 Final 4.1.0.0 | |
| IfcNullStyle | MODIFIED | Status changed from Deprecated.  | IFC4 Addendum 2 Technical Corrigendum 1 4.0.2.1 | |
| IfcNullStyle | MODIFIED | Status changed to Deprecated.  | IFC4x1 Final 4.1.0.0 | |
| IfcNullStyle | MODIFIED | Status changed from Deprecated.  | 
The IfcNullStyle is an enumeration with a fixed value NULL to indicate that no presentation style is defined for the representation item.
NOTE Definition according to ISO/CD 10303-46:1992
The null style type specifies, that a representation item is not styled.
NOTE Type adapted from null_style defined in ISO10303-46.
HISTORY New enumeration type in IFC2x2.
IFC4 CHANGE The enumeration is deprecated.
| Constant | Description | 
|---|---|
| NULL | 
 <xs:simpleType name="IfcNullStyle">
  <xs:restriction base="xs:string">
   <xs:enumeration value="null"/>
  </xs:restriction>
 </xs:simpleType>
TYPE IfcNullStyle = ENUMERATION OF (
 NULL);
END_TYPE;
  References: IfcPresentationStyleSelect