private string GetIndexByGenreInCollection(XCollection<Genre> genres, Genre genre)
{
string res = string.Empty;
if (genres != null)
{
if (genres.Contains(genre))
{
int index = genres.IndexOf(genre);
return index.ToString(CultureInfo.InvariantCulture);
}
else
{
for (int i = 0; i < genres.Count; i++)
{
string idx = GetIndexByGenreInCollection(genres[i].Children, genre);
if (!string.IsNullOrEmpty(idx))
{
res = i.ToString(CultureInfo.InvariantCulture) + ":" + idx;
break;
}
}
}
}
return res;
}
