Raises the PersistentObjectStorage<T>.ObjectDeleting event to determine whether the object can be deleted.
public virtual bool CanDelete()
Overridable Public Function CanDelete() As Boolean
If the PersistentObjectStorage<T>.ObjectDeleting is not handled, the CanDelete returns true. If the event is handled, the CanDelete returns false if PersistentObjectCancelEventArgs.Cancel has been set to true within the event handler.