Tests whether an element's parameter has a value.

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

Syntax

C#
public class HasValueFilterRule : ParameterValuePresenceRule
Visual Basic
Public Class HasValueFilterRule _
	Inherits ParameterValuePresenceRule
Visual C++
public ref class HasValueFilterRule : public ParameterValuePresenceRule

Inheritance Hierarchy

System..::..Object
  Autodesk.Revit.DB..::..FilterRule
    Autodesk.Revit.DB..::..ParameterValuePresenceRule
      Autodesk.Revit.DB..::..HasValueFilterRule

See Also