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GetElementFilterParametersForCategory Method

Retrieves a list of the parameters associated with all rules in the filter that are combined (using logical AND) with a FilterCategoryRule corresponding to single %categoryId%.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2020

Syntax

C# 
public ISet<ElementId> GetElementFilterParametersForCategory(
	ElementId categoryId
)
Visual Basic 
Public Function GetElementFilterParametersForCategory ( _
	categoryId As ElementId _
) As ISet(Of ElementId)
Visual C++ 
public:
ISet<ElementId^>^ GetElementFilterParametersForCategory(
	ElementId^ categoryId
)

Parameters

categoryId
Type: Autodesk.Revit.DB ElementId
The category for which parameters should be found.

Return Value

A set of parameter identifiers.

Remarks

Note that in the case when InvalidElementId specified as input %categoryId% this function returns parameters common to all categories used by this ParameterFilterElement, i.e. it is equivalent to ParameterFilterElement.GetElementFilterParameters().

Exceptions

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

See Also