SignalR

namespace SignalR.Client
{
    public class ClientManage
    {
        public static readonly ClientManage Instance;

        private static IHubProxy proxy;
        static ClientManage()
        {
            Instance = new ClientManage();

            if (proxy == null)
            {
                string host = ConfigurationManager.AppSettings["SIGNALR_BASEURL"];
                if (!string.IsNullOrEmpty(host))
                {
                    HubConnection hubConn = new HubConnection(host + "signalr", false);
                    proxy = hubConn.CreateHubProxy("myHub");
                    hubConn.Start().Wait();

                }
            }
        }
        /// <summary>
        /// 流程消息推送
        /// </summary>
        /// <param name="appName">系统名称</param>
        /// <param name="approverId">审批人</param>
        /// <param name="msg">消息</param>
        /// <returns></returns>
        public void SendFlowMsg(string appName, string approverId, string msg)
        {
            try
            {
                if (proxy != null)
                    proxy.Invoke("sendFlowMsg", appName, approverId, msg);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        public void ReloadHomeApprovalList(string appName, string approverId)
        {
            try
            {
                if (proxy != null)
                    proxy.Invoke("sendReloadHomeApprovalList", appName, approverId);
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
    }
}

1： SignalR.Client.ClientManage.Instance.SendFlowMsg(SystemConfig.CONNECTION_TOKEN, receiverId, title);

2： public void ReloadApprovalList()
        {
            try
            {
                SignalR.Client.ClientManage.Instance.ReloadHomeApprovalList(SystemConfig.CONNECTION_TOKEN, "");
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }