SignalR client connection extensions

HubConnectionExtensions.cs

using System;
using System.Collections.Generic;
using System.Reflection;
using Microsoft.AspNet.SignalR.Client;
using Microsoft.AspNet.SignalR.Client.Hubs;

namespace YourNamespace
{
    public static class HubConnectionExtensions
    {
        /// <summary>
        /// Attempts to add a hub proxy to the connection even after connecting to the socket
        /// </summary>
        /// <example>
        /// Add the hub proxy after connecting to the socket:
        /// <code>
        /// await _connection.Start( ... );
        /// _hub = _connection.CreateHubProxyLate( ... );
        /// </code>
        /// </example>
        public static IHubProxy CreateHubProxyLate( this HubConnection connection, string hubName )
        {
            var _hubs = typeof( HubConnection ).GetField( "_hubs", BindingFlags.NonPublic | BindingFlags.Instance )
                .GetValue( connection ) as IDictionary<string,HubProxy>;
            HubProxy hubProxy;
            if ( !_hubs.TryGetValue( hubName, out hubProxy ) ) {
                hubProxy = new HubProxy( connection, hubName );
                _hubs[hubName] = hubProxy;
            }
            return hubProxy;
        }
    }
}