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ObjectCache.AddOrGetExisting Method (CacheItem, CacheItemPolicy)

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 abstract CacheItem AddOrGetExisting(
	CacheItem value,
	CacheItemPolicy policy
)

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

.NET Framework

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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