public override void Execute(object parameter)
        {
            var topic = new Models.Threads.Topic();

            topic.TopicCatId = 23;
            topic.ThreadUri  = "/hfr/gsmgpspda/tablette/tablettes-telephones-windows-sujet_26848_1.htm";
            topic.ThreadName = "[Topic Unique] HFR10";
            //topic.ThreadUri =
            Loc.Main.OpenTopicCommand.Execute(topic);
        }
        public override void Execute(object parameter)
        {
            Models.Threads.Topic topic = null;
            if (parameter is ItemClickEventArgs)
            {
                var itemClick = parameter as ItemClickEventArgs;
                topic = itemClick.ClickedItem as Models.Threads.Topic;
            }
            else if (parameter is Models.Threads.Topic)
            {
                topic = (Models.Threads.Topic)parameter;
            }
            else if (parameter is IDictionary)
            {
                var elements = (Dictionary <object, object>)parameter;
                topic = elements["topic"] as Models.Threads.Topic;
                var desiredPage      = elements["page"]?.ToString();
                var desiredPageValue = 0;
                if (!int.TryParse(desiredPage, out desiredPageValue))
                {
                    return;
                }
                topic.ThreadCurrentPage = desiredPageValue;
            }

            if (topic == null)
            {
                return;
            }

            if (!Loc.Main.Threads.Any())
            {
                Loc.Main.Threads.Add(topic);
            }
            else
            {
                Loc.Main.Threads[0] = topic;
            }
            Loc.Thread.SelectedThread = 0;

            Task.Run(async() => await ThreadFetcher.GetPosts(Loc.Thread.CurrentThread));

            if (Loc.NavigationService.CurrentView != View.Main)
            {
                Loc.NavigationService.Navigate(View.Main);
            }
        }