public static MediaItem GetMediaItem(this IMediaLibrary mediaLibrary, Guid mediaItemId, IEnumerable <Guid> necessaryMIATypes, IEnumerable <Guid> optionalMIATypes)
{
var items = mediaLibrary.LoadCustomPlaylist(new List <Guid>()
{
mediaItemId
}, necessaryMIATypes, optionalMIATypes);
return(items.Count > 0 ? items[0] : null);
}