GetFilterableParametersInCommon Method

Returns the filterable parameters common to the given categories.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: (
Since: 2011


public static ICollection<ElementId> GetFilterableParametersInCommon(
	Document aDoc,
	ICollection<ElementId> categories
Visual Basic
Public Shared Function GetFilterableParametersInCommon ( _
	aDoc As Document, _
	categories As ICollection(Of ElementId) _
) As ICollection(Of ElementId)
Visual C++
static ICollection<ElementId^>^ GetFilterableParametersInCommon(
	Document^ aDoc, 
	ICollection<ElementId^>^ categories


Type: Autodesk.Revit.DB Document
The document containing the categories and parameters to query.
Type: System.Collections.Generic ICollection ElementId
The categories for which to determine the common parameters.

Return Value

The set of filterable parameters common to the given categories.


A filterable category in Revit has a set of filterable parameters. The filterable parameters common to a set of categories is the intersection of all these filterable parameter sets.

This set defines the set of parameters that may be used to define a rule on a ParameterFilterElement with a certain set of categories.


Exception Condition
Autodesk.Revit.Exceptions ArgumentNullException A non-optional argument was null

See Also