private async void RunButton_Click(object sender, RoutedEventArgs e)
{
string message = null;
try
{
// Ensure that the user has consented the wl.skydrive and wl.skydrive_update scopes
var authClient = new LiveAuthClient();
var authResult = await authClient.LoginAsync(new string[] { "wl.skydrive", "wl.skydrive_update" });
if (authResult.Session == null)
{
throw new InvalidOperationException("You need to sign in and give consent to the app.");
}
var liveConnectClient = new LiveConnectClient(authResult.Session);
// Validate parameters
var imageSourceUrl = imgSourceUrlTextBox.Text;
if (string.IsNullOrWhiteSpace(imageSourceUrl))
{
throw new InvalidOperationException("Image Url is empty.");
}
var uploadPath = uploadPathTextBox.Text;
if (string.IsNullOrWhiteSpace(uploadPath))
{
throw new InvalidOperationException("Upload location is empty.");
}
// Download the image from the Internet
var networkFileDownloader = new BackgroundDownloader();
DownloadOperation networkFileDownloadOperation = networkFileDownloader.CreateDownload(new Uri(imageSourceUrl), null);
await networkFileDownloadOperation.StartAsync();
IInputStream uploadInputStream = networkFileDownloadOperation.GetResultStreamAt(0);
// Upload to OneDrive
LiveUploadOperation uploadOperation = await liveConnectClient.CreateBackgroundUploadAsync(uploadPath, "ImageFromInternet.jpg", uploadInputStream, OverwriteOption.Rename);
LiveOperationResult uploadResult = await uploadOperation.StartAsync();
dynamic uploadedResource = uploadResult.Result;
string uploadedResourceId = uploadedResource.id;
string uploadedResourceName = uploadedResource.name;
string uploadedResourceLink = uploadedResource.source;
uploadedResourceTextBox.Text = string.Format("{0}\r\n{1}\r\n{2}", uploadedResourceId, uploadedResourceName, uploadedResourceLink);
// Download from the OneDrive
LiveDownloadOperation downloadOperation = await liveConnectClient.CreateBackgroundDownloadAsync(uploadedResourceId + "/content");
LiveDownloadOperationResult downloadResult = await downloadOperation.StartAsync();
if (downloadResult != null && downloadResult.Stream != null)
{
using (IRandomAccessStream ras = await downloadResult.GetRandomAccessStreamAsync())
{
BitmapImage imgSource = new BitmapImage();
imgSource.SetSource(ras);
skydriveImage.Source = imgSource;
}
}
}
catch (Exception ex)
{
message = "Operation failed: " + ex.Message;
}
if (message != null)
{
var dialog = new Windows.UI.Popups.MessageDialog(message);
await dialog.ShowAsync();
}
}