public HomeViewModel() { CarouselViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/4d6bdb8778ef4f4284d66f74df0d9b5520170404121443.jpeg_320x200x1x85.jpg", Title = "如果现在你是穷人,十年后你可能还会一贫如洗" }); CarouselViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/6f7521996d894108a9319bc6b9aed93720170403123502.jpeg_320x200x1x85.jpg", Title = "毁掉孩子未来的,可能就是父母的这句话" }); CarouselViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/a474fbfb13944245be6cbd64d22b9f1b20170404131846.jpeg_320x200x1x85.jpg", Title = "清明:有些词,只是叫一叫就让人喉间哽咽" }); ListViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/f290a0c0074e4275b7f50a158841f41920170404220135.png_140x88x1x85.jpg", Title = "朴槿惠狱中首讯:涉13项指控均否认 19日收押到期", Column = "新闻" }); ListViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/f290a0c0074e4275b7f50a158841f41920170404220135.png_140x88x1x85.jpg", Title = "朴槿惠狱中首讯:涉13项指控均否认 19日收押到期", Column = "新闻" }); ListViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/f290a0c0074e4275b7f50a158841f41920170404220135.png_140x88x1x85.jpg", Title = "朴槿惠狱中首讯:涉13项指控均否认 19日收押到期", Column = "新闻" }); ListViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/f290a0c0074e4275b7f50a158841f41920170404220135.png_140x88x1x85.jpg", Title = "朴槿惠狱中首讯:涉13项指控均否认 19日收押到期", Column = "新闻" }); ListViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/f290a0c0074e4275b7f50a158841f41920170404220135.png_140x88x1x85.jpg", Title = "朴槿惠狱中首讯:涉13项指控均否认 19日收押到期", Column = "新闻" }); ListViewSource.Add(new NewsListItemModel() { Image = "http://imgsize.ph.126.net/?imgurl=http://cms-bucket.nosdn.127.net/f290a0c0074e4275b7f50a158841f41920170404220135.png_140x88x1x85.jpg", Title = "朴槿惠狱中首讯:涉13项指控均否认 19日收押到期", Column = "新闻" }); }
private async void OnSourChanged(Uri uri) { try { pnlStatus.Visibility = Visibility.Collapsed; IsLoading = true; var f = await StorageFile.GetFileFromPathAsync(uri.LocalPath); _currentPdfDoc = await PdfDocument.LoadFromFileAsync(f); if (_currentPdfDoc == null) { return; } for (uint i = 0; i < _currentPdfDoc.PageCount; i++) { lblLiveStatus.Text = $"Loading Page {i + 1} out of {_currentPdfDoc.PageCount}"; var page = _currentPdfDoc.GetPage(i); var pageData = new InMemoryRandomAccessStream(); var aspectRatio = page.Size.Width / page.Size.Height; var size = new Size(RenderWidth, RenderWidth / aspectRatio); await page.RenderToStreamAsync(pageData, new PdfPageRenderOptions { BackgroundColor = Colors.White, DestinationWidth = (uint)size.Width, DestinationHeight = (uint)size.Height }); var bimg = new BitmapImage(); await bimg.SetSourceAsync(pageData); ListViewSource.Add(bimg); } IsLoading = false; } catch (Exception ex) { IsLoading = false; lblStatus.Text = ex.ToString(); pnlStatus.Visibility = Visibility.Visible; } }