Tests whether an element's parameter has a value or not.

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

Syntax

C#
public class ParameterValuePresenceRule : FilterRule

Visual Basic
Public Class ParameterValuePresenceRule _ Inherits FilterRule

Visual C++
public ref class ParameterValuePresenceRule : public FilterRule

Inheritance Hierarchy