From 24328c4b1c3fe050e4bebf0311c95c7f9af78855 Mon Sep 17 00:00:00 2001
From: Alan Knowles <alan@roojs.com>
Date: Wed, 28 Nov 2018 16:22:03 +0800
Subject: [PATCH] Roo/bootstrap/Menu.js

---
 Roo/bootstrap/Menu.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Roo/bootstrap/Menu.js b/Roo/bootstrap/Menu.js
index f475871a10..4304cfb592 100644
--- a/Roo/bootstrap/Menu.js
+++ b/Roo/bootstrap/Menu.js
@@ -25,6 +25,8 @@ Roo.bootstrap.Menu = function(config){
     if (this.registerMenu && this.type != 'treeview')  {
         Roo.bootstrap.MenuMgr.register(this);
     }
+    this.openClass = Roo.bootstrap.version = 4 ? 'show' : 'open';
+    
     this.addEvents({
         /**
          * @event beforeshow
-- 
2.39.2