Class TIfcDefinitionSelect

Unit

CastleIfc

Declaration

type TIfcDefinitionSelect = class abstract(TIfcRoot)

Description

Either TIfcObjectDefinition or TIfcPropertyDefinition.

This is not a class (it is a choice) in IFC standard, but it makes sense to make it a regular class, as both TIfcObjectDefinition and TIfcPropertyDefinition descend directly from IfcRoot in the IFC standard, and it allows to have type-safe TIfcDefinitionSelectList.

This is not abstract, because we may need to create "stubs" of this class when resolving references in IFC file.

Hierarchy

• TObject
• TPersistent
• TComponent
• TIfcPersistent
• TIfcRoot
• TIfcDefinitionSelect

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