public ItemProperty[] QueryAvailableProperties(string itemId)
{
itemId.ArgumentNotNullOrEmpty("itemId");
uint size;
IntPtr idsPtr, descriptionsPtr, typesPtr;
itemProperties.QueryAvailableProperties(
itemId, out size, out idsPtr, out descriptionsPtr, out typesPtr);
return(ItemPropertyResultReader.ReadItemProperties(
size, idsPtr, descriptionsPtr, typesPtr));
}