ParameterFilterElement.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: 26.4.0.0 (26.4.0.0)

Syntax

C#

public ISet<ElementId> GetElementFilterParametersForCategory(
	ElementId categoryId
)

Parameters

categoryId ElementId: The category for which parameters should be found.

Return Value

ISet<ElementId>
A set of parameter identifiers.

Exceptions

Exception	Condition
ArgumentNullException	A non-optional argument was null

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().