New Post: High Resolution Image Load - OutOfMemory

i must read in my Photo Viewer high resolution image(20 MP - 41MP). The image are into IsolatedStorage

if i use this code

using (var store = IsolatedStorageFile.GetUserStoreForApplication())

        {
            using (var stream = store.OpenFile(this.location, FileMode.Open))
            {
                var bitmapImage = new BitmapImage();
                bitmapImage.SetSource(stream);
                bitmapImage.CreateOptions = BitmapCreateOptions.None;
                var bmp = new WriteableBitmap((BitmapSource)bitmapImage);
                bitmapImage.UriSource = (Uri)null;
                return bmp;
            }
        }

receive OutOfMemory

How to resolve?