private void RegisterFileOpenPicker()
{
var view = CoreApplication.GetCurrentView();
_fileOpenPicker = new FileOpenPicker
{
ViewMode = PickerViewMode.Thumbnail,
SuggestedStartLocation = PickerLocationId.PicturesLibrary
};
_fileOpenPicker.FileTypeFilter.Add(".jpg");
_fileOpenPicker.FileTypeFilter.Add(".jpeg");
_fileOpenPicker.FileTypeFilter.Add(".png");
view.Activated += async(applicationView, args) =>
{
var fileOpenPickerArgs = args as FileOpenPickerContinuationEventArgs;
if (fileOpenPickerArgs != null && fileOpenPickerArgs.Files.Count > 0)
{
var selectedImageFile = fileOpenPickerArgs.Files[0];
await _ocrHelper.ProcessImage(selectedImageFile, OcrLanguage.SelectedItem.ToString());
}
};
}
private async void Button_Click(object sender, RoutedEventArgs e)
{
var view = CoreApplication.GetCurrentView();
var fileOpenPicker = new FileOpenPicker();
fileOpenPicker.ViewMode = PickerViewMode.Thumbnail;
fileOpenPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
fileOpenPicker.FileTypeFilter.Add(".jpg");
fileOpenPicker.FileTypeFilter.Add(".jpeg");
fileOpenPicker.FileTypeFilter.Add(".png");
var selectedImageFile = await fileOpenPicker.PickSingleFileAsync();
await _ocrHelper.ProcessImage(selectedImageFile, OcrLanguage.SelectedItem.ToString());
}