/// <summary>
        /// Clean folder in webapi
        /// </summary>
        /// <returns></returns>
        private async Task CleanFolder()
        {
            await _pageService.PopAsync(_navigation);

            var deletedFolder = await _streamservice.CleanFolder(Doc);

            if (string.IsNullOrEmpty(deletedFolder))
            {
                await _pageService.DisplayAlert("Erreur", "Erreur lors de la suppression du document.", "Ok");
            }
        }