Tests whether an element's parameter doesn't have a value.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)
Since:
2020
Syntax
C# |
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public class HasNoValueFilterRule : ParameterValuePresenceRule |
Visual Basic |
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Public Class HasNoValueFilterRule _ Inherits ParameterValuePresenceRule |
Visual C++ |
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public ref class HasNoValueFilterRule : public ParameterValuePresenceRule |
Inheritance Hierarchy
System..::..Object
Autodesk.Revit.DB..::..FilterRule
Autodesk.Revit.DB..::..ParameterValuePresenceRule
Autodesk.Revit.DB..::..HasNoValueFilterRule
Autodesk.Revit.DB..::..FilterRule
Autodesk.Revit.DB..::..ParameterValuePresenceRule
Autodesk.Revit.DB..::..HasNoValueFilterRule