Namespace: Autodesk.Revit.DB Class: ElementMulticategoryFilter

ElementMulticategoryFilter(ICollection<ElementId>, Boolean)

Constructor

Description:
Constructs a new instance of a filter to find elements whose category matches any of a given set of categories, with the option to instead match elements which are not of the given categories.

Syntax

public ElementMulticategoryFilter(
	ICollection<ElementId> categoryIds,
	bool inverted
)

Public Sub New ( 
	categoryIds As ICollection(Of ElementId),
	inverted As Boolean
)

public:
ElementMulticategoryFilter(
	ICollection<ElementId^>^ categoryIds, 
	bool inverted
)

new : 
        categoryIds : ICollection<ElementId> * 
        inverted : bool -> ElementMulticategoryFilter

Parameters

Parameter	Type	Description
categoryIds	ICollection	The category ids to match.
inverted	Boolean	True if the filter should match all elements which are not of the given categories.

Return Value

Exceptions

Exception	Condition
ArgumentException	One or more categories was not valid for filtering.
ArgumentNullException	A non-optional argument was null