Namespace: Autodesk.Revit.DB

HasNoValueFilterRule

Class

Description:
Tests whether an element's parameter doesn't have a value.

Inheritance Hierarchy:
System.Object
  Autodesk.Revit.DB.FilterRule
    Autodesk.Revit.DB.ParameterValuePresenceRule
      Autodesk.Revit.DB.HasNoValueFilterRule

Syntax

public class HasNoValueFilterRule : ParameterValuePresenceRule

Public Class HasNoValueFilterRule _
	Inherits ParameterValuePresenceRule

public ref class HasNoValueFilterRule : public ParameterValuePresenceRule