CancelEvent

Represents the arguments for the cancel event.

Name	Type	Default	Description
action	string		The type of the action that triggered the event.
dataItem	any		The edited data item.
formGroup	FormGroup<any>		Provides the edited formGroup instance.
isNew	boolean		Indicates if the event is new or existing.
sender	SchedulerComponent		A reference to the Scheduler instance that triggered the event.