ElementMulticategoryFilter(ICollectionElementId, Boolean) Constructor

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.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

C++

Copy

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

categoryIds ICollectionElementId: The category ids to match.
inverted Boolean: True if the filter should match all elements which are not of the given categories.

Exceptions

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

Reference

ElementMulticategoryFilter Class

ElementMulticategoryFilter Overload

Autodesk.Revit.DB Namespace