public bool TrySet(string name, RetainableDeepZoomGenerator dz)
{
var cacheEntryOption = new MemoryCacheEntryOptions
{
SlidingExpiration = TimeSpan.FromMinutes(3)
};
cacheEntryOption.RegisterPostEvictionCallback(ItemEvicted);
RetainableDeepZoomGenerator cachedDz = _cache.Set(name, dz, cacheEntryOption);
return(ReferenceEquals(cachedDz, dz));
}
public bool TryGet(string name, out RetainableDeepZoomGenerator dz)
{
return(_cache.TryGetValue(name, out dz));
}