Element Parameter Filter Class

A filter used to match elements by one or more parameter filter rules.

Inheritance Hierarchy

System Object
Autodesk.Revit.DB ElementFilter
Autodesk.Revit.DB ElementSlowFilter
Autodesk.Revit.DB ElementParameterFilter

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)

Syntax

C++

public class ElementParameterFilter : ElementSlowFilter

Public Class ElementParameterFilter
	Inherits ElementSlowFilter

public ref class ElementParameterFilter : public ElementSlowFilter

type ElementParameterFilter = 
    class
        inherit ElementSlowFilter
    end

The ElementParameterFilter type exposes the following members.

Constructors

	Name	Description
	ElementParameterFilter(FilterRule)	Constructs a new instance of an ElementParameterFilter from a single rule.
	ElementParameterFilter(IList FilterRule )	Initializes a new instance of the ElementParameterFilter class
	ElementParameterFilter(FilterRule, Boolean)	Constructs a new instance of an ElementParameterFilter, with the option to match all elements not passing a given filter rule.
	ElementParameterFilter(IList FilterRule , Boolean)	Initializes a new instance of the ElementParameterFilter class

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Properties

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

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Methods

	Name	Description
	Dispose	(Inherited from ElementFilter )
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object )
	GetHashCode	Serves as the default hash function. (Inherited from Object )
	GetRules	Returns the set of rules contained in this filter.
	GetType	Gets the Type of the current instance. (Inherited from Object )
	PassesFilter(Element)	Applies the filter to a given element. (Inherited from ElementFilter )
	PassesFilter(Document, ElementId)	Applies the filter to a given element. (Inherited from ElementFilter )
	ToString	Returns a string that represents the current object. (Inherited from Object )

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Remarks

This filter is a slow filter. Slow filters require that the Element be obtained and expanded in memory first. Thus it is preferable to couple this filter with at least one ElementQuickFilter, which should minimize the number of Elements that are expanded.

Reference

Autodesk.Revit.DB Namespace

ElementParameterFilter Class

Element Parameter Filter Class

Reference