It's Always best to use the lowest base type possible. This gives the implementer of your interface, or consumer of your method, the opportunity to use whatever they like behind the scenes. Arec BarrwinArec Barrwin 61.8k99 gold badges3030 silver badges2525 bronze badges 14 71 I have to disagree with your https://c-object-kullan-m16813.illawiki.com/804888/bir_unbiased_görünüm_c_ilist_nasıl_kullanılır