From dd507467f99d7a86811658e37c805e8120c9de48 Mon Sep 17 00:00:00 2001
From: David Fowler <davidfowl@gmail.com>
Date: Mon, 10 Sep 2018 07:28:11 -0700
Subject: [PATCH] Fixed code sample (#8475)

Fixed code to retrieve the IHubContext from middleware
---
 aspnetcore/signalr/hubcontext.md | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/aspnetcore/signalr/hubcontext.md b/aspnetcore/signalr/hubcontext.md
index 49fe04addd..1b6ce0bbe6 100644
--- a/aspnetcore/signalr/hubcontext.md
+++ b/aspnetcore/signalr/hubcontext.md
@@ -40,9 +40,8 @@ Access the `IHubContext` within the middleware pipeline like so:
 ```csharp
 app.Use(next => (context) =>
 {
-    var hubContext = (IHubContext<MyHub>)context
-                        .RequestServices
-                        .GetServices<IHubContext<MyHub>>();
+    var hubContext = context.RequestServices
+                            .GetRequiredService<IHubContext<MyHub>>();
     //...
 });
 ```