Document Get Unused Elements Method

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)

Syntax

public ISet<ElementId> GetUnusedElements(
	ISet<ElementId> categories
)

Public Function GetUnusedElements ( 
	categories As ISet(Of ElementId)
) As ISet(Of ElementId)

public:
ISet<ElementId^>^ GetUnusedElements(
	ISet<ElementId^>^ categories
)

member GetUnusedElements : 
        categories : ISet<ElementId> -> ISet<ElementId>

ISet ElementId