/// <summary>
        /// Get all pdf for user
        /// </summary>
        /// <param name="doc"></param>
        /// <returns></returns>
        private async Task <List <PdfModel> > GetPdf(DocModel doc)
        {
            List <PdfModel> listPdfModel = await _streamservice.GetPdfFile(doc);

            IsLoading    = false;
            ShowPanelImg = true;
            return(listPdfModel);
        }