.net平台推送ios消息

protected void startApp()
        {
                pusher.RegisterAppleService(new ApplePushChannelSettings(File.ReadAllBytes(CertificatePath), CertificatePassword));
                pusher.OnDeviceSubscriptionChanged += pusher_OnDeviceSubscriptionChanged;
                pusher.OnDeviceSubscriptionExpired += pusher_OnDeviceSubscriptionExpired;
                pusher.OnNotificationSent += pusher_OnNotificationSent;
                pusher.OnNotificationFailed += pusher_OnNotificationFailed;

        }
static void pusher_OnNotificationFailed(object sender, INotification notification, Exception error)
        {
            var n = (AppleNotification)notification;
            //error.Message ...获取推送出错的信息
            Log.Error("推送出错的信息", error);
        }

        static void pusher_OnNotificationSent(object sender, INotification notification)
        {
            //消息推送成功后
            var n = (AppleNotification)notification;
            //n.Payload.Alert.Body  获取推送的消息内容...
            Log.Error("推送内容"+n.Payload.Alert.Body);
        }

        static void pusher_OnDeviceSubscriptionExpired(object sender, string expiredSubscriptionId, DateTime expirationDateUtc, INotification notification)
        {
            // 从数据库删除过期的expiredSubscriptionId
        }

        static void pusher_OnDeviceSubscriptionChanged(object sender, string oldSubscriptionId, string newSubscriptionId, INotification notification)
        {
            // 把数据库中的oldSubscriptionId更新为newSubscriptionId
        }