Revit 2025.3 API
Parameter |
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: 25.3.0.0 (25.3.0.0)
Syntax
public ISet<ElementId> GetElementFilterParametersForCategory( ElementId categoryId )
Public Function GetElementFilterParametersForCategory ( categoryId As ElementId ) As ISet(Of ElementId)
public: ISet<ElementId^>^ GetElementFilterParametersForCategory( ElementId^ categoryId )
member GetElementFilterParametersForCategory : categoryId : ElementId -> ISet<ElementId>
Parameters
- categoryId ElementId
- The category for which parameters should be found.
Return Value
ISetElementIdA set of parameter identifiers.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |

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().
See Also