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Namespace: Autodesk.Revit.DB

ParameterValuePresenceRule

Class
Description:
Tests whether an element's parameter has a value or not.
Inheritance Hierarchy:
System.Object
  Autodesk.Revit.DB.FilterRule
    Autodesk.Revit.DB.ParameterValuePresenceRule
      Autodesk.Revit.DB.HasNoValueFilterRule
      Autodesk.Revit.DB.HasValueFilterRule
Syntax
public class ParameterValuePresenceRule : FilterRule