From 92daa089192a8cacee8dd2a417b9a149335952a4 Mon Sep 17 00:00:00 2001
From: polarboy <chinware@163.com>
Date: Tue, 8 Oct 2024 14:05:35 +0800
Subject: [PATCH] fixed When the collapse index changes, the style update will
 not be triggered

https://gitee.com/chinware/atomui/issues/IAUM0S?from=project-issue
---
 src/AtomUI.Controls/Collapse/Collapse.cs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/AtomUI.Controls/Collapse/Collapse.cs b/src/AtomUI.Controls/Collapse/Collapse.cs
index c2d61a5..3150c5b 100644
--- a/src/AtomUI.Controls/Collapse/Collapse.cs
+++ b/src/AtomUI.Controls/Collapse/Collapse.cs
@@ -178,6 +178,14 @@ public class Collapse : SelectingItemsControl
             SetupCollapseBorderThickness(collapseItem, index);
         }
     }
+    
+    protected override void ContainerIndexChangedOverride(Control container, int oldIndex, int newIndex)
+    {
+        if (container is CollapseItem collapseItem)
+        {
+            SetupCollapseBorderThickness(collapseItem, newIndex);
+        }
+    }
 
     private void SetupCollapseBorderThickness(CollapseItem collapseItem, int index)
     {