Fix #3221: ArgumentOutOfRangeException: Index was out of range when c…

…learing the assembly list
icsharpcode · Sep 20, 2024 · 46cac0f · 46cac0f
1 parent d8cfb8e
commit 46cac0f
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/ICSharpCode.ILSpyX/TreeView/SharpTreeNode.cs b/ICSharpCode.ILSpyX/TreeView/SharpTreeNode.cs
@@ -658,8 +658,9 @@ public virtual void Drop(IPlatformDragEventArgs e, int index)
 
 		public bool IsLast {
 			get {
-				return Parent == null ||
-					Parent.Children[Parent.Children.Count - 1] == this;
+				return Parent == null
+					|| Parent.Children.Count == 0
+					|| Parent.Children[^1] == this;
 			}
 		}