From 9f5beb99b5f89bec5c40e9f9660737a8a9a6041b Mon Sep 17 00:00:00 2001
From: James Yeung <shunjiey@hotmail.com>
Date: Thu, 27 Jul 2023 22:40:47 +0800
Subject: [PATCH] fix(module: core): check ContainsKey for shared event 
 subscriptions store of DomEventListener (#3364)

---
 components/core/JsInterop/DomEventListener.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/core/JsInterop/DomEventListener.cs b/components/core/JsInterop/DomEventListener.cs
index c7bb2398..368029ec 100644
--- a/components/core/JsInterop/DomEventListener.cs
+++ b/components/core/JsInterop/DomEventListener.cs
@@ -82,6 +82,9 @@ namespace AntDesign.JsInterop
 
                 var dotNetObject = DotNetObjectReference.Create(new Invoker<string>((p) =>
                 {
+                    if (!_domEventSubscriptionsStore.ContainsKey(key))
+                        return;
+
                     for (var i = 0; i < _domEventSubscriptionsStore[key].Count; i++)
                     {
                         var subscription = _domEventSubscriptionsStore[key][i];