private async void Ellipse_Tapped(object sender, TappedRoutedEventArgs e)
{
//openPicker.ViewMode = PickerViewMode.Thumbnail;
//openPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
//openPicker.FileTypeFilter.Add(".jpeg");
//openPicker.FileTypeFilter.Add(".png");
//openPicker.FileTypeFilter.Add(".bmp");
//openPicker.FileTypeFilter.Add(".jpg");
//StorageFile file = await openPicker.PickSingleFileAsync();
//if (file != null)
//{
// var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
// var image = new BitmapImage();
// image.SetSource(stream);
// imageBrush.ImageSource = image;
// InitializeComponent();
// file.
//}
//else
//{
// string error = "Nie wybrano żadnego pliku jpg/png";
//}
//groupViewModel.AddImage();
GroupViewModel group = this.DataContext as GroupViewModel;
group.AddImage();
}
