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ElementMulticategoryFilter

Public Class

A filter used to find elements whose category matches any of a given set of categories.

Inheritance Hierarchy

System.Object
Autodesk.Revit.DB.ElementFilter
Autodesk.Revit.DB.ElementQuickFilter
Autodesk.Revit.DB.ElementMulticategoryFilter

Namespace: Autodesk.Revit.DB

Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public class ElementMulticategoryFilter : ElementQuickFilter

The ElementMulticategoryFilter type exposes the following members.

Constructors

Name

Description

Public Method
ElementMulticategoryFilter(ICollection.BuiltInCategory.)

Constructs a new instance of a filter to match elements by built-in category.

Public Method
ElementMulticategoryFilter(ICollection.ElementId.)

Constructs a new instance of a filter to find elements whose category matches any of a given set of categories.

Public Method
ElementMulticategoryFilter(ICollection.BuiltInCategory., Boolean)

Constructs a new instance of a filter to match elements by built-in category, with the option to match all elements which are not of the given category.

Public Method
ElementMulticategoryFilter(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.

Properties

Name

Description

Public Property

Inverted

True if the results of the filter are inverted; elements that would normally be accepted by this filter will be rejected, and elements that would normally be rejected will be accepted.
(Inherited from ElementFilter)

Public Property
IsValidObject

Specifies whether the .NET object represents a valid Revit entity.
(Inherited from ElementFilter)

Methods

Name

Description

Public Method

Dispose

(Inherited from ElementFilter)

Public Method

Equals

Determines whether the specified object is equal to the current object.
(Inherited from Object)

Public Method

GetCategoryIds

Gets the category ids assigned to this filter.

Public Method

GetHashCode

Serves as the default hash function.
(Inherited from Object)

Public Method

GetType

Gets the Type of the current instance.
(Inherited from Object)

Public Method

PassesFilter(Element)

Applies the filter to a given element.
(Inherited from ElementFilter)

Public Method

PassesFilter(Document, ElementId)

Applies the filter to a given element.
(Inherited from ElementFilter)

Public Method

ToString

Returns a string that represents the current object.
(Inherited from Object)

Remarks

This filter is a quick filter. Quick filters operate only on the ElementRecord, a low-memory class which has a limited interface to read element properties. Elements which are rejected by a quick filter will not be expanded in memory.