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ElementMulticategoryFilter Constructor (ICollection(ElementId), Boolean)

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: 22.0.0.0 (22.1.0.0)
Since: 2012

Syntax

C# 
public ElementMulticategoryFilter(
	ICollection<ElementId> categoryIds,
	bool inverted
)
Visual Basic 
Public Sub New ( _
	categoryIds As ICollection(Of ElementId), _
	inverted As Boolean _
)
Visual C++ 
public:
ElementMulticategoryFilter(
	ICollection<ElementId^>^ categoryIds, 
	bool inverted
)

Parameters

categoryIds
Type: System.Collections.Generic ICollection ElementId
The category ids to match.
inverted
Type: System Boolean
True if the filter should match all elements which are not of the given categories.

Exceptions

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

See Also