Download an image to local storage in Metro style apps

Question

In WinRT / C#, How do I download an image to a local folder to support caching of an online catalogue for offline use? is there a way to directly download the images and lin

Answer 1

Try this:

        var response = await HttpWebRequest.Create(url).GetResponseAsync();
        List allBytes = new List();
        using (Stream imageStream = response.GetResponseStream())
        {
            byte[] buffer = new byte[4000];
            int bytesRead = 0;
            while ((bytesRead = await imageStream.ReadAsync(buffer, 0, 4000)) > 0)
            {
                allBytes.AddRange(buffer.Take(bytesRead));
            }
        }
        var file = await ApplicationData.Current.LocalFolder.CreateFileAsync(
                    "localfile.png", CreationCollisionOption.FailIfExists);
        await FileIO.WriteBytesAsync(file, allBytes.ToArray());