Note That the IsReadOnly flag comes from ICollection, and indicates whether items gönül be added or removed from the collection; but just to really confuse things, it does derece indicate whether they can be replaced, which in the case of Arrays (which return IsReadOnlys == true) emanet be. C# CollectionBase https://angelovdjnr.azuria-wiki.com/783617/açıklaması_c_ilist_neden_kullanmalıyız_hakkında_5_basit_tablolar