Namespaces
- Autodesk.Revit.ApplicationServices Namespace
- Autodesk.Revit.Attributes Namespace
- Autodesk.Revit.Creation Namespace
- Autodesk.Revit.DB Namespace
- Autodesk.Revit.DB.Analysis Namespace
- Autodesk.Revit.DB.Architecture Namespace
- Autodesk.Revit.DB.DirectContext3D Namespace
- Autodesk.Revit.DB.Electrical Namespace
- Autodesk.Revit.DB.Events Namespace
- Autodesk.Revit.DB.ExtensibleStorage Namespace
- Autodesk.Revit.DB.ExternalService Namespace
- Autodesk.Revit.DB.Fabrication Namespace
- Autodesk.Revit.DB.IFC Namespace
  - ExporterIFC Class
  - ExporterIFCUtils Class
  - HostObjectSubcomponentInfo Class
  - IExporterIFC Interface
  - IFCAggregate Class
  - IFCAggregateIterator Class
  - IFCAnyHandle Class
    - IFCAnyHandle Members
    - IFCAnyHandle Methods
      - CreateAggregateAttribute Method
      - Delete Method
      - Dispose Method
      - Equals Method
      - GetAttribute Method
      - GetHashCode Method
      - IsSubTypeOf Method
      - IsTypeOf Method
      - SetAttribute Method
      - Unset Method
      - UnsetAttribute Method
    - IFCAnyHandle Operators
    - IFCAnyHandle Properties
  - IFCConnectedWallData Class
  - IFCConnectedWallDataLocation Enumeration
  - IFCData Class
  - IFCDataPrimitiveType Enumeration
  - IFCExtrusionAxes Enumeration
  - IFCExtrusionBasis Enumeration
  - IFCExtrusionCalculatorOptions Class
  - IFCExtrusionCalculatorUtils Class
  - IFCExtrusionCreationData Class
  - IFCExtrusionData Class
  - IFCFamilyInstanceExtrusionExportResults Class
  - IFCFile Class
  - IFCFileFormat Enumeration
  - IFCFileModelOptions Class
  - IFCFileReadOptions Class
  - IFCFileWriteOptions Class
  - IFCGeometryInfo Class
  - IFCImportAction Enumeration
  - IFCImportIntent Enumeration
  - IFCImportOptions Class
  - IFCLegacyStairOrRamp Class
  - IFCLevelInfo Class
  - IFCLogical Enumeration
  - IFCOpeningData Class
  - IFCProductWrapper Class
  - IFCProjectLevelGUIDType Enumeration
  - IFCRange Class
  - IFCTransaction Class
  - IFCTransformSetter Class
  - IIFCImporterServer Interface
  - ImporterIFC Class
  - ImporterIFCUtils Class
  - RoofComponents Class
- Autodesk.Revit.DB.Infrastructure Namespace
- Autodesk.Revit.DB.Lighting Namespace
- Autodesk.Revit.DB.Macros Namespace
- Autodesk.Revit.DB.Mechanical Namespace
- Autodesk.Revit.DB.Plumbing Namespace
- Autodesk.Revit.DB.PointClouds Namespace
- Autodesk.Revit.DB.Steel Namespace
- Autodesk.Revit.DB.Structure Namespace
- Autodesk.Revit.DB.Structure.StructuralSections Namespace
- Autodesk.Revit.DB.Visual Namespace
- Autodesk.Revit.Exceptions Namespace
- Autodesk.Revit.UI Namespace
- Autodesk.Revit.UI.Events Namespace
- Autodesk.Revit.UI.Macros Namespace
- Autodesk.Revit.UI.Mechanical Namespace
- Autodesk.Revit.UI.Plumbing Namespace
- Autodesk.Revit.UI.Selection Namespace
What's New

UnsetAttribute Method

Unsets the attribute value.

Namespace: Autodesk.Revit.DB.IFC
Assembly: RevitAPIIFC (in RevitAPIIFC.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2013

Syntax

C#
public void UnsetAttribute( string name )

Visual Basic
Public Sub UnsetAttribute ( _ name As String _ )

Visual C++
public: void UnsetAttribute( String^ name )

Parameters

name: Type: System..::..String
The attribute name.

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions..::..ArgumentNullException	A non-optional argument was NULL

Syntax

Parameters

Exceptions

See Also