The DialogBoxShowingEventArgs type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | Cancellable |
Indicates whether an event may be cancelled by an event delegate.
(Inherited from RevitAPIEventArgs) |
| DialogId | A unique string identifier for DialogBox and TaskDialog type dialogs in Revit. |
| IsValidObject |
Specifies whether the .NET object represents a valid Revit entity.
(Inherited from RevitAPIEventArgs) |