Namespaces
- Autodesk.Revit.ApplicationServices
- Autodesk.Revit.Attributes
- Autodesk.Revit.Creation
- Autodesk.Revit.DB
- Autodesk.Revit.DB.Analysis
- Autodesk.Revit.DB.Architecture
- Autodesk.Revit.DB.DirectContext3D
- Autodesk.Revit.DB.Electrical
- Autodesk.Revit.DB.Events
  - ApplicationInitializedEventArgs Class
  - CreateRelatedFileProgressChangedEventArgs Class
  - DataTransferMode Enumeration
  - DataTransferProgressChangedEventArgs Class
  - DocumentChangedEventArgs Class
  - DocumentClosedEventArgs Class
  - DocumentClosingEventArgs Class
  - DocumentCreatedEventArgs Class
  - DocumentCreatingEventArgs Class
  - DocumentOpenedEventArgs Class
  - DocumentOpeningEventArgs Class
  - DocumentPrintedEventArgs Class
  - DocumentPrintingEventArgs Class
  - DocumentReloadedLatestEventArgs Class
  - DocumentReloadingLatestEventArgs Class
  - DocumentReloadLatestProgressChangedEventArgs Class
  - DocumentSavedAsEventArgs Class
  - DocumentSavedEventArgs Class
  - DocumentSaveToCentralProgressChangedEventArgs Class
  - DocumentSaveToLocalProgressChangedEventArgs Class
  - DocumentSavingAsEventArgs Class
  - DocumentSavingEventArgs Class
  - DocumentSynchronizedWithCentralEventArgs Class
  - DocumentSynchronizingWithCentralEventArgs Class
  - DocumentWorksharingEnabledEventArgs Class
  - ElementTypeDuplicatedEventArgs Class
  - ElementTypeDuplicatingEventArgs Class
  - EventStatus Enumeration
  - ExternalDataInstanceAddedIntoDocumentEventArgs Class
  - ExternalDataInstanceAddingIntoDocumentEventArgs Class
  - ExternalDataInstanceRemovedFromDocumentEventArgs Class
  - ExternalDataInstanceRemovingFromDocumentEventArgs Class
  - ExternalDataTypeServerFailureResolutionExecutingEventArgs Class
  - ExternalDataTypeUpdatedDataSourceIntoDocumentEventArgs Class
  - ExternalDataTypeUpdatingDataSourceIntoDocumentEventArgs Class
  - FailuresProcessingEventArgs Class
  - FamilyLoadedIntoDocumentEventArgs Class
  - FamilyLoadingIntoDocumentEventArgs Class
  - FileExportedEventArgs Class
  - FileExportingEventArgs Class
  - FileImportedEventArgs Class
  - FileImportingEventArgs Class
  - LinkedResourceOpenedEventArgs Class
  - LinkedResourceOpeningEventArgs Class
  - PostDocEventArgs Class
  - PostEventArgs Class
  - PreDocEventArgs Class
  - PreEventArgs Class
  - ProgressChangedEventArgs Class
  - ProgressStage Enumeration
  - ProjectBrowserDataChangedEventArgs Class
  - RevitAPIEventArgs Class
  - RevitAPIEventStatus Enumeration
  - RevitAPIPostDocEventArgs Class
  - RevitAPIPostEventArgs Class
  - RevitAPIPreDocEventArgs Class
  - RevitAPIPreEventArgs Class
  - RevitAPISingleEventArgs Class
  - RevitEventArgs Class
  - UndoOperation Enumeration
  - ViewExportedEventArgs Class
  - ViewExportingEventArgs Class
  - ViewPrintedEventArgs Class
  - ViewPrintingEventArgs Class
  - ViewsExportedByContextEventArgs Class
  - ViewsExportingByContextEventArgs Class
  - WorksharedOperationProgressChangedEventArgs Class
- Autodesk.Revit.DB.ExtensibleStorage
- Autodesk.Revit.DB.ExternalService
- Autodesk.Revit.DB.Fabrication
- Autodesk.Revit.DB.IFC
- Autodesk.Revit.DB.Infrastructure
- Autodesk.Revit.DB.Lighting
- Autodesk.Revit.DB.Macros
- Autodesk.Revit.DB.Mechanical
- Autodesk.Revit.DB.Plumbing
- Autodesk.Revit.DB.PointClouds
- Autodesk.Revit.DB.Steel
- Autodesk.Revit.DB.Structure
- Autodesk.Revit.DB.Structure.StructuralSections
- Autodesk.Revit.DB.Visual
- Autodesk.Revit.Exceptions
- Autodesk.Revit.UI
- Autodesk.Revit.UI.Events
- Autodesk.Revit.UI.Macros
- Autodesk.Revit.UI.Mechanical
- Autodesk.Revit.UI.Plumbing
- Autodesk.Revit.UI.Selection
WhatsNew
Revit .NET 8 Upgrade Tips

RevitAPIEventArgs Class

Revit 2025.3 API

RevitAPIEventArgs Class

The class is used as base class for all event argument classes.

Inheritance Hierarchy

SystemObject
  SystemEventArgs
    Autodesk.Revit.DB.EventsRevitAPIEventArgs
      Autodesk.Revit.DB.EventsRevitAPIPostEventArgs
      Autodesk.Revit.DB.EventsRevitAPIPreEventArgs
      Autodesk.Revit.DB.EventsRevitAPISingleEventArgs

Namespace: Autodesk.Revit.DB.Events
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)

Syntax

public class RevitAPIEventArgs : EventArgs, 
	IDisposable

Public Class RevitAPIEventArgs
	Inherits EventArgs
	Implements IDisposable

public ref class RevitAPIEventArgs : public EventArgs, 
	IDisposable

type RevitAPIEventArgs = 
    class
        inherit EventArgs
        interface IDisposable
    end

The RevitAPIEventArgs type exposes the following members.

Properties

	Name	Description
	Cancellable	Indicates whether an event may be cancelled by an event delegate.
	IsValidObject	Specifies whether the .NET object represents a valid Revit entity.

Methods

	Name	Description
	Dispose	Releases all resources used by the RevitAPIEventArgs
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
	GetHashCode	Serves as the default hash function. (Inherited from Object)
	GetType	Gets the Type of the current instance. (Inherited from Object)
	IsCancelled	Indicates whether the event is being cancelled.
	ToString	Returns a string that represents the current object. (Inherited from Object)

See Also

Reference

Autodesk.Revit.DB.Events Namespace

Send comments on this topic to Autodesk

T:Autodesk.Revit.DB.Events.RevitAPIEventArgs