Document.GetSubelement(ElementId, Int32) Method

Gets the subelement referenced by a parent id and subelement id.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.1.0.0 (26.1.0.34)

Syntax

public Subelement GetSubelement(
	ElementId id,
	int subId
)

Subelement
The subelement referenced by the input argument.

Exception	Condition
ArgumentNullException	A non-optional argument was null

nullptr will be returned if the input id string doesn't reference to a valid element or subelement.