public ImportPrestashopArticle(bool forceImportProduct)
        {
            this.InitializeComponent();
            Model.Prestashop.PsProductRepository PsProductRepository = new Model.Prestashop.PsProductRepository();
            List <UInt32> ListPsProduct = PsProductRepository.ListId(Core.Global.CurrentShop.IDShop);

            if (!forceImportProduct)
            {
                Model.Local.ArticleRepository ArticleRepository = new Model.Local.ArticleRepository();
                List <Int32> listlocal = ArticleRepository.ListPrestashop();
                ListPsProduct = ListPsProduct.Where(ps => !listlocal.Contains((int)ps)).ToList();
            }

            this.ListCount = ListPsProduct.Count;
            this.Context   = SynchronizationContext.Current;
            this.ParallelOptions.MaxDegreeOfParallelism = MaximumThreadCount;
            this.ReportProgress(0);
            Task.Factory.StartNew(() =>
            {
                Parallel.ForEach(ListPsProduct, this.ParallelOptions, Sync);
            });
        }