From e6edca9169b2fe7150f5f317eeb22ac3e04bd48e Mon Sep 17 00:00:00 2001
From: "LAPTOP-SB0RO65G\\samra" <samrands@cos.net.au>
Date: Mon, 26 Aug 2024 22:04:19 +0200
Subject: [PATCH] Fix/issue 3221 argument out of range exception

---
 ICSharpCode.ILSpyX/TreeView/SharpTreeNodeCollection.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ICSharpCode.ILSpyX/TreeView/SharpTreeNodeCollection.cs b/ICSharpCode.ILSpyX/TreeView/SharpTreeNodeCollection.cs
index 7932eef9c..d72428576 100644
--- a/ICSharpCode.ILSpyX/TreeView/SharpTreeNodeCollection.cs
+++ b/ICSharpCode.ILSpyX/TreeView/SharpTreeNodeCollection.cs
@@ -73,7 +73,7 @@ namespace ICSharpCode.ILSpyX.TreeView
 
 		public SharpTreeNode this[int index] {
 			get {
-				if (index >= 0)
+				if (index >= 0 && index < list.Count)
 					return list[index];
 				else
 					return null;