SchemeObjectCollectionTValidateInsertingItem - метод

Public Overridable Sub ValidateInsertingItem ( 
	newItem As T,
	Optional oldItem As T = Nothing
)

public:
virtual void ValidateInsertingItem(
	T newItem, 
	T oldItem = nullptr
)

abstract ValidateInsertingItem : 
        newItem : 'T * 
        ?oldItem : 'T 
(* Defaults:
        let _oldItem = defaultArg oldItem null
*)
-> unit 
override ValidateInsertingItem : 
        newItem : 'T * 
        ?oldItem : 'T 
(* Defaults:
        let _oldItem = defaultArg oldItem null
*)
-> unit