The API_IFC... structures describe the IFC data connected to elements. These structures can be used to get these data and also modify them.

Structures

API_IFCProperty

API_IFCPropertyHead

API_IFCPropertyValue

API_IFCPropertyAnyValue

API_IFCPropertySingleValue
API_IFCPropertyBoundedValue
API_IFCPropertyListValue
API_IFCPropertyEnumeratedValue
API_IFCPropertyTableValue

API_IFCAttribute

API_IFCClassificationReference

API_IFCClassification