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
- 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
  - ApplicationException Class
  - ArgumentException Class
  - ArgumentNullException Class
  - ArgumentOutOfRangeException Class
  - ArgumentsInconsistentException Class
  - AutoJoinFailedException Class
  - BackgroundTaskCancelledException Class
  - CannotOpenBothCentralAndLocalException Class
  - CentralFileCommunicationException Class
  - CentralModelAccessDeniedException Class
  - CentralModelAlreadyExistsException Class
  - CentralModelContentionException Class
  - CentralModelException Class
  - CentralModelVersionArchivedException Class
  - CheckoutElementsRequestTooLargeException Class
  - CorruptModelException Class
  - DirectoryNotFoundException Class
  - DisabledDisciplineException Class
  - ExternalApplicationException Class
  - FamilyContextException Class
  - FileAccessException Class
  - FileArgumentAlreadyExistsException Class
  - FileArgumentNotFoundException Class
  - FileNotFoundException Class
  - ForbiddenForDynamicUpdateException Class
  - FunctionId Class
  - InapplicableDataException Class
  - InsufficientResourcesException Class
  - InternalException Class
  - InvalidDataStreamException Class
  - InvalidObjectException Class
  - InvalidOperationException Class
  - InvalidPathArgumentException Class
  - IOException Class
  - ModificationForbiddenException Class
  - ModificationOutsideTransactionException Class
  - NotTransmittedModelException Class
  - ObjectAccessException Class
  - OperationCanceledException Class
  - OptionalFunctionalityNotAvailableException Class
  - OutdatedDirectlyOpenedCentralException Class
  - RegenerationFailedException Class
  - RevitServerCollaborationNotAvailableException Class
  - RevitServerCommunicationException Class
  - RevitServerException Class
  - RevitServerInternalException Class
  - RevitServerModelAlreadyExistsException Class
  - RevitServerModelNameBreaksConventionException Class
  - RevitServerUnauthenticatedUserException Class
  - RevitServerUnauthorizedException Class
  - TransientElementCreationException Class
  - TransmittedModelException Class
  - WrongUserException Class
- 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

ArgumentNullException Class

The exception that is thrown when nullNothingnullptra null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.

Namespace: Autodesk.Revit.Exceptions
Assembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)

Syntax

C#
[SerializableAttribute] public class ArgumentNullException : ArgumentException

Visual Basic
<SerializableAttribute> _ Public Class ArgumentNullException _ Inherits ArgumentException

Visual C++
[SerializableAttribute] public ref class ArgumentNullException : public ArgumentException

Inheritance Hierarchy

System..::..Object
  System..::..Exception
    Autodesk.Revit.Exceptions..::..ApplicationException
      Autodesk.Revit.Exceptions..::..ArgumentException
        Autodesk.Revit.Exceptions..::..ArgumentNullException

Syntax

Inheritance Hierarchy

See Also