CacheEntryUpdateCallback Delegate

CacheEntryUpdateCallback Delegate

.NET Framework (current version)

Defines a reference to a method that is invoked when a cache entry is about to be removed from the cache.

Namespace:   System.Runtime.Caching
Assembly:  System.Runtime.Caching (in System.Runtime.Caching.dll)

Public Delegate Sub CacheEntryUpdateCallback (
	arguments As CacheEntryUpdateArguments


Type: System.Runtime.Caching.CacheEntryUpdateArguments

The information about the entry that is about to be removed from the cache.

Information about a cache entry to be removed is contained in a CacheEntryUpdateArguments object. A CacheEntryUpdateArguments object is passed to the CacheEntryUpdateCallback delegate. The method that implements the CacheEntryUpdateCallback delegate can pass an updated cache entry value back to the cache implementation. The updated cache entry replaces the cache item that is about to be removed.

.NET Framework
Available since 4.0
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