Gets or sets a reference to a CacheEntryRemovedCallback delegate that is called after an entry is removed from the cache.
Assembly: System.Runtime.Caching (in System.Runtime.Caching.dll)
After a cache entry has been removed from the cache, the cache invokes the callback object that is referenced by theproperty. A cache implementation can use this callback to notify the calling method that a cache entry has been removed.
Available since 4.0