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
  - 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
  - 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
  - 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
  - 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
  - WorksharedOperationProgressChangedEventArgs Class
- Autodesk.Revit.DB.ExtensibleStorage Namespace
- Autodesk.Revit.DB.ExternalService Namespace
- Autodesk.Revit.DB.Fabrication Namespace
- Autodesk.Revit.DB.IFC 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

PreEventArgs Class

The class is used as a base class for the arguments for any pre-event.

Namespace: Autodesk.Revit.DB.Events
Assembly: RevitAPI (in RevitAPI.dll) Version: 20.0.0.0 (20.1.1.1)

Syntax

C#
public class PreEventArgs : RevitEventArgs

Visual Basic
Public Class PreEventArgs _ Inherits RevitEventArgs

Visual C++
public ref class PreEventArgs : public RevitEventArgs

Inheritance Hierarchy

System..::..Object
  System..::..EventArgs
    Autodesk.Revit.DB.Events..::..RevitEventArgs
      Autodesk.Revit.DB.Events..::..PreEventArgs
        Autodesk.Revit.DB.Events..::..PreDocEventArgs

Syntax

Inheritance Hierarchy

See Also