Revit 2025.3 API
Revit |
The class is used as a base class for arguments of any single-event.

SystemObject
SystemEventArgs
Autodesk.Revit.DB.EventsRevitAPIEventArgs
Autodesk.Revit.DB.EventsRevitAPISingleEventArgs
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SystemEventArgs
Autodesk.Revit.DB.EventsRevitAPIEventArgs
Autodesk.Revit.DB.EventsRevitAPISingleEventArgs
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Namespace: Autodesk.Revit.DB.Events
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
The RevitAPISingleEventArgs type exposes the following members.

Name | Description | |
---|---|---|
![]() | Cancellable |
Indicates whether an event may be cancelled by an event delegate.
(Inherited from RevitAPIEventArgs) |
![]() | IsValidObject |
Specifies whether the .NET object represents a valid Revit entity.
(Inherited from RevitAPIEventArgs) |

Name | Description | |
---|---|---|
![]() | Dispose | (Inherited from 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.
(Inherited from RevitAPIEventArgs) |
![]() | ToString | Returns a string that represents the current object. (Inherited from Object) |

A single event is an event that is not directly related to another event, meaning that there is no corresponding pre-event or post-event surrounding a single event.
See Also
Reference

SystemObject
SystemEventArgs
Autodesk.Revit.DB.EventsRevitAPIEventArgs
Autodesk.Revit.DB.EventsRevitAPISingleEventArgs
Autodesk.Revit.DB.EventsApplicationInitializedEventArgs
Autodesk.Revit.DB.EventsDocumentChangedEventArgs
Autodesk.Revit.DB.EventsDocumentWorksharingEnabledEventArgs
Autodesk.Revit.DB.EventsFailuresProcessingEventArgs
Autodesk.Revit.DB.EventsProgressChangedEventArgs
Autodesk.Revit.DB.EventsProjectBrowserDataChangedEventArgs
Autodesk.Revit.DB.EventsWorksharedOperationProgressChangedEventArgs
Autodesk.Revit.UI.EventsDockableFrameFocusChangedEventArgs
Autodesk.Revit.UI.EventsDockableFrameVisibilityChangedEventArgs
Autodesk.Revit.UI.EventsExternalDataManagerChangedEventArgs
Autodesk.Revit.UI.EventsFabricationPartBrowserChangedEventArgs
Autodesk.Revit.UI.EventsMacroUpdatedEventArgs
Autodesk.Revit.UI.EventsSelectionChangedEventArgs
Autodesk.Revit.UI.EventsThemeChangedEventArgs
Autodesk.Revit.UI.EventsTransferredProjectStandardsEventArgs
SystemEventArgs
Autodesk.Revit.DB.EventsRevitAPIEventArgs
Autodesk.Revit.DB.EventsRevitAPISingleEventArgs
Autodesk.Revit.DB.EventsApplicationInitializedEventArgs
Autodesk.Revit.DB.EventsDocumentChangedEventArgs
Autodesk.Revit.DB.EventsDocumentWorksharingEnabledEventArgs
Autodesk.Revit.DB.EventsFailuresProcessingEventArgs
Autodesk.Revit.DB.EventsProgressChangedEventArgs
Autodesk.Revit.DB.EventsProjectBrowserDataChangedEventArgs
Autodesk.Revit.DB.EventsWorksharedOperationProgressChangedEventArgs
Autodesk.Revit.UI.EventsDockableFrameFocusChangedEventArgs
Autodesk.Revit.UI.EventsDockableFrameVisibilityChangedEventArgs
Autodesk.Revit.UI.EventsExternalDataManagerChangedEventArgs
Autodesk.Revit.UI.EventsFabricationPartBrowserChangedEventArgs
Autodesk.Revit.UI.EventsMacroUpdatedEventArgs
Autodesk.Revit.UI.EventsSelectionChangedEventArgs
Autodesk.Revit.UI.EventsThemeChangedEventArgs
Autodesk.Revit.UI.EventsTransferredProjectStandardsEventArgs