BlipFace.View.StatusListControl.AddStatus C# (CSharp) Method

        public void AddStatus(StatusViewModel statusView, bool insertAtBeginning)
        {
            Dispatcher.Invoke(
                new Action<StatusViewModel>(
                    delegate(StatusViewModel status)
                        {
                            var currentList = lstbStatusList.ItemsSource as IList<StatusViewModel>;
                            //currentList.Insert(0, status);

                            //jeśli zawiera już ten status to
                            //go nie dodajemy ponownie, czasami pobierze podwójnie
                            //ten sam wpis
                            //if(currentList.Contains(status))
                            //{
                            //    return;
                            //}

                            if (currentList != null)
                            {
                                if (insertAtBeginning)
                                {
                                    currentList.Insert(0, status);
                                }
                                else
                                {
                                    currentList.Add(status);
                                }
                            }
                            //todo:testowo zmiana ikony w tray'u
                            Window parentWindows = Window.GetWindow(Parent);
                            if (parentWindows is HostWindow)
                            {
                                ((HostWindow) parentWindows).StatusAdded();
                            }

                            //todo:to tak testowo
                            FlashMainWindow(Window.GetWindow(Parent), true);
                        }), statusView);
        }