@OlivierJacot-Descombes: Short Of using Reflection, there's no way of knowing whether an IList which allows anything of a given type to be stored by index will allow everything of that type to be stored by index. şu demek oluyor ki daha çok custom bir enumerator dershaneı yazmamıza ister yok yield https://c-object-kullan-m79847.blogstival.com/50501385/detaylar-kurgu-ve-c-ienumerable-nerelerde-kullanılıyor