From de56b85bd525441cd30b3546675974a966b4b02d Mon Sep 17 00:00:00 2001
From: Chika Chang <13810485+chikacc@users.noreply.github.com>
Date: Sat, 28 Mar 2026 16:03:26 +0800
Subject: [PATCH] fix: resolve TreeView deprecation in Unity 6.2+

---
 .../MessagePipe/Editor/MessagePipeDiagnosticsInfoTreeView.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/MessagePipe.Unity/Assets/Plugins/MessagePipe/Editor/MessagePipeDiagnosticsInfoTreeView.cs b/src/MessagePipe.Unity/Assets/Plugins/MessagePipe/Editor/MessagePipeDiagnosticsInfoTreeView.cs
index 30796a70..5a1caf71 100644
--- a/src/MessagePipe.Unity/Assets/Plugins/MessagePipe/Editor/MessagePipeDiagnosticsInfoTreeView.cs
+++ b/src/MessagePipe.Unity/Assets/Plugins/MessagePipe/Editor/MessagePipeDiagnosticsInfoTreeView.cs
@@ -10,6 +10,11 @@
 using System.Text;
 using System.Text.RegularExpressions;
 using System.Diagnostics;
+#if UNITY_6000_2_OR_NEWER
+using TreeView = UnityEditor.IMGUI.Controls.TreeView<int>;
+using TreeViewItem = UnityEditor.IMGUI.Controls.TreeViewItem<int>;
+using TreeViewState = UnityEditor.IMGUI.Controls.TreeViewState<int>;
+#endif
 
 namespace MessagePipe.Editor
 {