/// <summary>
/// Event Handler for progress of scanning
/// </summary>
/// <param name="operation">async operation for scanning</param>
/// <param name="numberOfFiles">The Number of files scanned so far</param>
private async void ScanProgress(IAsyncOperationWithProgress <ImageScannerScanResult, UInt32> operation, UInt32 numberOfScannedFiles)
{
ImageScannerScanResult result = null;
try
{
result = operation.GetResults();
}
catch (OperationCanceledException)
{
// The try catch is placed here for scenarios in which operation has already been cancelled when progress call is made
Utils.DisplayScanCancelationMessage();
}
if (result != null && result.ScannedFiles.Count > 0)
{
IReadOnlyList <StorageFile> fileStorageList = result.ScannedFiles;
await MainPage.Current.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
new Windows.UI.Core.DispatchedHandler(() =>
{
StorageFile file = fileStorageList[0];
Utils.SetImageSourceFromFile(file, DisplayImage);
rootPage.NotifyUser("Escaneo en progreso...", NotifyType.StatusMessage);
Utils.UpdateFileListData(fileStorageList, model);
ScanerListView.SelectedItem = model.FileList.Last();
}
));
}
}
/// <summary>
/// Event Handler for progress of scanning
/// </summary>
/// <param name="operation">async operation for scanning</param>
/// <param name="numberOfFiles">The Number of files scanned so far</param>
private async void ScanProgress(IAsyncOperationWithProgress <ImageScannerScanResult, UInt32> operation, UInt32 numberOfScannedFiles)
{
ImageScannerScanResult result = null;
try
{
result = operation.GetResults();
}
catch (OperationCanceledException)
{
// The try catch is placed here for scenarios in which operation has already been cancelled when progress call is made
Utils.DisplayScanCancelationMessage();
}
if (result != null && result.ScannedFiles.Count > 0)
{
IReadOnlyList <StorageFile> fileStorageList = result.ScannedFiles;
await MainPage.Current.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
new Windows.UI.Core.DispatchedHandler(() =>
{
StorageFile file = fileStorageList[0];
Utils.SetImageSourceFromFile(file, DisplayImage);
rootPage.NotifyUser("Scanning is in progress. The Number of files scanned so far: " + numberOfScannedFiles + ". Below is the latest scanned image. \n" +
"All the files that have been scanned are saved to local My Pictures folder.", NotifyType.StatusMessage);
Utils.UpdateFileListData(fileStorageList, ModelDataContext);
}
));
}
}