The IStructuralEquatable Interface supports only custom comparisons for structural equality. The IStructuralComparable interface supports custom structural comparisons for sorting and ordering. But if you prefered IStructuralComparable to IComparer at the toparlak level, why don't you prefer it now? "Dizelerle Çhileışma" kısmı, öz yapı katarlarıyla müntesip alışverişlemleri ve metodla... https://zandervisah.blogzet.com/c-istructuralcomparable-temel-Özellikleri-günlükler-42814185