private IEnumerable <IItemReferenceEntry> GetMatchingReferences(uint itemId, FourCC requiredReferenceType)
{
ItemReferenceBox itemReferenceBox = this.metaBox.ItemReferences;
if (itemReferenceBox != null)
{
return(itemReferenceBox.EnumerateMatchingReferences(itemId, requiredReferenceType));
}
else
{
return(Enumerable.Empty <IItemReferenceEntry>());
}
}