private async void UIElement_OnDoubleTapped(object sender, DoubleTappedRoutedEventArgs e)
        {
            var ps = new ParsePostsService();

            //  var res = await ps.DeleteImageByPostAndInageId(null, "8FOqVSNnat");

            (Window.Current.Content as AppShell)
            .AppFrame
            .Navigate(
                typeof(ImageFullScreenView),
                this.DataContext,
                new Windows.UI.Xaml.Media.Animation.DrillInNavigationTransitionInfo());
        }
        private async void HandleGetDataCommand()
        {
            this.IsWaitunForData = true;

            try
            {
                var postServiceParse = new ParsePostsService();
             
                var parsePosts = (await postServiceParse.GetCurrentUserAllPostsAsync());

                if (parsePosts != null)
                {
                    this.Posts = parsePosts.AsQueryable().Select(PostViewModel.FromParseObjectExpr).ToList();
                }
            }
            catch (Exception ex)
            {
                var msg = ex.Message;
            }


            this.IsWaitunForData = false;
        }