AddOrGetExisting Method (CacheItem, CacheItemPolicy)

ObjectCache.AddOrGetExisting Method (CacheItem, CacheItemPolicy)

.NET Framework 4.6 and 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.

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

Public MustOverride Function AddOrGetExisting (
	value As CacheItem,
	policy As CacheItemPolicy
) As CacheItem


Type: System.Runtime.Caching.CacheItem

The object to insert.

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.CacheItem

If a cache entry with the same key exists, the specified cache entry; otherwise, null.

.NET Framework
Available since 4.0
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