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Namespace: Autodesk.Revit.DB Class: DirectShape

DirectShape.CreateElementInstance

Method
Description:
Creates a DirectShape object and adds it to document.
Remarks:
This function is included for convenience. It essentially combines CreateGeometryInstance and CreateElement. The shape stored in the element is either a reference or a copy of a definition shape that was created earlier. How the definitions are stored will determine whether an instance or a copy of the shape will be created. The intended use is to support a definition/instance pattern common in CAD formats - DWG blocks, STEP MAPPED_ITEM, IFC IfcMappedItem. Use DirectShapeLibrary class to store definitions prior to using them here.
Syntax
public static DirectShape CreateElementInstance(
	Document document,
	ElementId typeId,
	ElementId categoryId,
	string definitionId,
	Transform trf
)
Parameters
Parameter Type Description
document Document Document to which the created element will be added.
typeId ElementId Element id of a DirectShapeType element.
categoryId ElementId Id of the category assigned to this DirectShape. Must be a valid category id.
definitionId String Id of the shape definition that was created earlier and stored via DirectShapeLibrary.
trf Transform Transform to be applied to the definition.
Return Value
Type Description
DirectShape The created DirectShape object.
Exceptions
Exception Condition
ArgumentException Document document may not contain DirectShape or DirectShapeType objects. -or- Element id categoryId may not be used as a DirectShape category.
ArgumentNullException A non-optional argument was null