System.Net.Cache.SingleItemRequestCache.Update C# (CSharp) Method

        internal override void Update(string key, DateTime expiresUtc, DateTime lastModifiedUtc, DateTime lastSynchronizedUtc, TimeSpan maxStale, StringCollection entryMetadata, StringCollection systemMetadata)
        {
            if (!TryUpdate(key, expiresUtc, lastModifiedUtc, lastSynchronizedUtc, maxStale, entryMetadata, systemMetadata))
            {
                FileNotFoundException fileNotFoundException = new FileNotFoundException(null, key);
                throw new IOException(SR.GetString(SR.net_cache_retrieve_failure, fileNotFoundException.Message), fileNotFoundException);
            }
        }