OpenTween.TweenMain.tw_UserStreamEventArrived C# (CSharp) Method

        private async void tw_UserStreamEventArrived(object sender, UserStreamEventReceivedEventArgs e)
        {
            try
            {
                if (InvokeRequired && !IsDisposed)
                {
                    await this.InvokeAsync(() => this.tw_UserStreamEventArrived(sender, e));
                    return;
                }
            }
            catch (ObjectDisposedException)
            {
                return;
            }
            catch (InvalidOperationException)
            {
                return;
            }
            var ev = e.EventData;
            StatusLabel.Text = "Event: " + ev.Event;
            //if (ev.Event == "favorite")
            //{
            //    NotifyFavorite(ev);
            //}
            NotifyEvent(ev);
            if (ev.Event == "favorite" || ev.Event == "unfavorite")
            {
                if (_curTab != null && _statuses.Tabs[_curTab.Text].Contains(ev.Id))
                {
                    this.PurgeListViewItemCache();
                    ((DetailsListView)_curTab.Tag).Update();
                }
                if (ev.Event == "unfavorite" && ev.Username.ToLowerInvariant().Equals(tw.Username.ToLowerInvariant()))
                {
                    var favTab = this._statuses.GetTabByType(MyCommon.TabUsageType.Favorites);
                    favTab.EnqueueRemovePost(ev.Id, setIsDeleted: false);
                }
            }
        }