1

我正在保存这样的图像

BitmapImage img = (BitmapImage)Bild.Source;
                WriteableBitmap wb = new WriteableBitmap(img);
                String tempJPEG = "TempJPEG.jpg";
                var myStore = IsolatedStorageFile.GetUserStoreForApplication();
                if (myStore.FileExists(tempJPEG))
                {
                    myStore.DeleteFile(tempJPEG);
                }
                IsolatedStorageFileStream myFileStream = myStore.CreateFile(tempJPEG);

                Extensions.SaveJpeg(wb, myFileStream, wb.PixelWidth, wb.PixelHeight, 0, 85);
                myFileStream.Close();

                myFileStream = myStore.OpenFile(tempJPEG, FileMode.Open, FileAccess.Read);

                String picname = "";
                picname += DateTime.Now.Ticks.ToString();
                picname += ".jpg";

                MediaLibrary library = new MediaLibrary();
                Picture pic = library.SavePicture(picname, myFileStream);

                BitmapImage bm = new BitmapImage();
                MessageBox.Show("Images successfully saved!");

现在我试图加载我从这个功能保存的所有图像,它们存储在照片库的“保存的图片”中。到目前为止,我得到了这个代码

        using (var library = new MediaLibrary())
        {

            PictureAlbumCollection allAlbums = library.RootPictureAlbum.Albums;

            PictureAlbum cameraRoll = allAlbums.Where(album => album.Name == "Saved Pictures").FirstOrDefault();

            var CameraRollPictures = cameraRoll.Pictures;

        }

但是 cameraRoll 每次都变成 Null 。

那么我应该如何将图片加载到我的应用程序中呢?

4

1 回答 1

1

这是给你的一个例子:(我已经测试过了,效果很好。)

http://blogs.msdn.com/b/johnalioto/archive/2011/01/28/10121728.aspx

另一件事,确保您添加了访问照片库的能力:

<!-- For accessing photos in the media library. -->
<Capability Name="ID_CAP_MEDIALIB_PHOTO" />

希望能帮助到你。

于 2013-11-18T10:20:45.317 回答