// Retuns an item from the cache corresponding to the GUID key passed to the method
public static Invoices GetItem(string guid)
{
// Cleans cache
cache.RemoveOld(cacheDuration);
cache.RemoveOldest(maxCacheSize);
if (cache.ContainsKey(guid))
{
return(cache[guid]);
}
else
{
return(new Item());
}
}
