OmegaLeo.HelperLib/Models/NeoDictionary.cs

@@ -85,6 +85,9 @@ namespace GameDevLibrary.Models
         public IEnumerable<NeoDictionaryItem<TKey, TValue>> Select(Func<NeoDictionaryItem<TKey, TValue>, NeoDictionaryItem<TKey, TValue>> selector) =>
             Items.Select(selector);
         
+        public int IndexOf(NeoDictionaryItem<TKey, TValue> selector) =>
+            Items.IndexOf(selector);
+
         public void Remove(TKey key)
         {
             var index = Items.FindIndex(x => x.Key.Equals(key));