/// <summary>
/// Get the value in the cache for the given key.
/// </summary>
/// <param name="key">The key to lookup in the cache.</param>
/// <returns>The value for the given key.</returns>
public TValue this[TKey key]
{
get
{
CacheItem cacheItem = dictionary[key];
cacheItem.Accessed();
return(cacheItem.Value);
}
}