private void setPictureSourceToCurrentPosition()
{
string address = searchResult.ElementAt(position).OriginalUrl;
if (address == null)
{
address = searchResult.ElementAt(position).LargeUrl;
}
if (address == null)
{
address = searchResult.ElementAt(position).MediumUrl;
}
if (address == null)
{
address = searchResult.ElementAt(position).SmallUrl;
}
Uri imageUri = new Uri(address);
flickrImage.Source = new BitmapImage(imageUri);
}