ObjectCache.AddOrGetExisting Method (CacheItem, CacheItemPolicy)
.NET Framework 4.5
When overridden in a derived class, inserts the specified CacheItem object into the cache, specifying information about how the entry will be evicted.
Assembly: System.Runtime.Caching (in System.Runtime.Caching.dll)
'Declaration Public MustOverride Function AddOrGetExisting ( _ value As CacheItem, _ policy As CacheItemPolicy _ ) As CacheItem
Parameters
- value
- Type: System.Runtime.Caching.CacheItem
The object to insert.
- policy
- Type: System.Runtime.Caching.CacheItemPolicy
An object that contains eviction details for the cache entry. This object provides more options for eviction than a simple absolute expiration.
Return Value
Type: System.Runtime.Caching.CacheItemIf a cache entry with the same key exists, the specified cache entry; otherwise, Nothing.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.