The CancelEventArgs class implements argument of the events that occur before any action. It is possible to cancel this action in these events.
| Designer name | Brief description | |
| The Create designer creates argument of the event in which it is possible to cancel any action. |
| Property name | Brief description | |
| AllowChange | Outdated. The AllowChange property determines whether it is possible to perform any action. This property is obsolete. | |
| Allowed | The Allowed property determines whether it is possible to perform any action. | |
| CanClose | Outdated. The CanClose property determines whether it is possible to perform any action. This property is obsolete. |
See also: