onChildDelete MethodProtectedStatic

Beta  

Called when an element with an instance of this class as its parent is about to be deleted.

onChildDelete(_arg: OnChildElementIdArg): void

note throw an exception if the element should not be deleted

note implementers should not presume that the element was deleted if this method does not throw, since the delete may fail for other reasons. Instead, rely on Element.onChildDeleted for that purpose.

note this is the class of the parent Element whose child will be deleted

Parameter Type Description
_arg OnChildElementIdArg  

Returns - void

Defined in

Last Updated: 20 June, 2023