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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: 4.5.1, 4.5, 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.

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