From a7e4212d81bbefd82de71c8e8041e8cadec550da Mon Sep 17 00:00:00 2001
From: Mike <17667690+tinrobot2000@users.noreply.github.com>
Date: Fri, 10 May 2024 21:06:35 +0800
Subject: [PATCH] https://github.com/DynamoDS/DynamoWishlist/issues/187

---
 src/Libraries/CoreNodes/List.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Libraries/CoreNodes/List.cs b/src/Libraries/CoreNodes/List.cs
index 0288c0b7e03..0ca35948502 100644
--- a/src/Libraries/CoreNodes/List.cs
+++ b/src/Libraries/CoreNodes/List.cs
@@ -625,6 +625,15 @@ public static IList ShiftIndices(IList list, int amount)
         [IsVisibleInDynamoLibrary(true)]
         public static object GetItemAtIndex(IList list, int index)
         {
+            if (index<0)
+            {
+                index = list.Count + index;
+            }
+
+            if (index >= list.Count || index < 0)
+            {
+                throw new IndexOutOfRangeException();
+            }
             return list[index];
         }