private  async void uploadButton_Click(object sender, RoutedEventArgs e)//上传
        {
            try
            {
                msgText.Text = "亲:正在上传";
                var authClient = new LiveAuthClient();
                var authResult = await authClient.LoginAsync(new string[] { "wl.skydrive", "wl.skydrive_update" });
                if (authResult.Session != null)
                {
                    var liveConnectClient = new LiveConnectClient(authResult.Session);
                    StorageFolder localFolder = ApplicationData.Current.LocalFolder;
                    StorageFile file = await localFolder.GetFileAsync(App.WordBookFileName);
                    String fileText = await FileIO.ReadTextAsync(file);

                    LiveUploadOperation uploadOperation = await liveConnectClient.CreateBackgroundUploadAsync(
                        "me/skydrive", file.Name, file, OverwriteOption.Overwrite);
                    LiveOperationResult uploadResult = await uploadOperation.StartAsync();

                    if (uploadResult.Result != null)
                    {
                        msgText.Text = "恭喜:您已成功同步生词至OneDrive!";
                    }

                }
            }
            catch (LiveAuthException ex)
            {
                msgText.Text = ex.Message;
            }
            catch (LiveConnectException ex)
            {
                msgText.Text = ex.Message;
            }

        }
        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();
            }
        }
 private async void uploadToOnedriveButton_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         if (loginResult.Session != null)
         {
             var liveConnectClient = new LiveConnectClient(loginResult.Session);
             String uploadPath = "me/skydrive";
             StorageFile getfile = await ApplicationData.Current.LocalFolder.GetFileAsync("MoneyNote.db");
             // Upload to OneDrive. //uploadpath, fileName, uploadinputstream. overriteoption
             LiveUploadOperation uploadOperation = await liveConnectClient.CreateBackgroundUploadAsync(
                 uploadPath, "MoneyNote.db", getfile, OverwriteOption.Overwrite);
             LiveOperationResult uploadResult = await uploadOperation.StartAsync();
             messagePrint(true, "upload");
         }
     }
     catch (LiveAuthException ex)
     {
         // Handle errors.
         ex.Message.ToString();
         messagePrint(false, "upload");
     }
     catch (LiveConnectException ex)
     {
         // Handle errors.
         ex.Message.ToString();
         messagePrint(false, "upload");
     }
     catch (Exception ex)
     {
         // Handle Error.
         ex.Message.ToString();
         messagePrint(false, "upload");
     }
 }