@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. Many of the LINQ methods, including Where, use deferred execution. In this case you https://waylonpajqx.wikienlightenment.com/7022031/c_ienumerable_nasıl_kullanılır_günlükler