The MessageBoxShowingEventArgs 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.
(Inherited from DialogBoxShowingEventArgs) |
| DialogType | An integer that describes the standard Windows type of the dialog box. |
| IsValidObject |
Specifies whether the .NET object represents a valid Revit entity.
(Inherited from RevitAPIEventArgs) |
| Message | The message that has been displayed in the dialog box. |