ElementMulticategoryFilter Class

A filter used to find elements whose category matches any of a given set of categories.
Inheritance Hierarchy
SystemObject
  Autodesk.Revit.DBElementFilter
    Autodesk.Revit.DBElementQuickFilter
      Autodesk.Revit.DBElementMulticategoryFilter

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
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public class ElementMulticategoryFilter : ElementQuickFilter

The ElementMulticategoryFilter type exposes the following members.

Constructors
 NameDescription
Public methodElementMulticategoryFilter(ICollectionBuiltInCategory) Constructs a new instance of a filter to match elements by built-in category.
Public methodElementMulticategoryFilter(ICollectionElementId) Constructs a new instance of a filter to find elements whose category matches any of a given set of categories.
Public methodElementMulticategoryFilter(ICollectionBuiltInCategory, 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 methodElementMulticategoryFilter(ICollectionElementId, 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.
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Properties
 NameDescription
Public propertyInverted 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 propertyIsValidObject Specifies whether the .NET object represents a valid Revit entity.
(Inherited from ElementFilter)
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Methods
 NameDescription
Public methodDispose
(Inherited from ElementFilter)
Public methodEqualsDetermines whether the specified object is equal to the current object.
(Inherited from Object)
Public methodGetCategoryIds Gets the category ids assigned to this filter.
Public methodGetHashCodeServes as the default hash function.
(Inherited from Object)
Public methodGetTypeGets the Type of the current instance.
(Inherited from Object)
Public methodPassesFilter(Element) Applies the filter to a given element.
(Inherited from ElementFilter)
Public methodPassesFilter(Document, ElementId) Applies the filter to a given element.
(Inherited from ElementFilter)
Public methodToStringReturns a string that represents the current object.
(Inherited from Object)
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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.
See Also