PreEventArgs Properties
| Name | Return Type | Description | Inherited From |
|---|---|---|---|
| Cancel | bool | Indicates whether the event is being cancelled. When the event is cancellable, set the property to True to cancel it. (Inherited from RevitEventArgs ) | RevitEventArgs |
| Cancellable | bool | Indicates whether an event may be cancelled by an event delegate. (Inherited from RevitEventArgs ) | RevitEventArgs |