MemoryCache.Add(CacheItem, CacheItemPolicy) Method

Definition

Namespace:

System.Runtime.Caching

Assembly:

System.Runtime.Caching.dll

Package:

System.Runtime.Caching v8.0.0

Source:

MemoryCache.cs

Inserts a cache entry into the cache as a CacheItem instance, and adds details about how the entry should be evicted.

public:
 override bool Add(System::Runtime::Caching::CacheItem ^ item, System::Runtime::Caching::CacheItemPolicy ^ policy);

public override bool Add (System.Runtime.Caching.CacheItem item, System.Runtime.Caching.CacheItemPolicy policy);

override this.Add : System.Runtime.Caching.CacheItem * System.Runtime.Caching.CacheItemPolicy -> bool

Public Overrides Function Add (item As CacheItem, policy As CacheItemPolicy) As Boolean

Parameters

item

CacheItem

The object to add.

policy

CacheItemPolicy

An object that contains eviction details for the cache entry. This object provides more options for eviction than a simple absolute expiration.

Returns

Boolean

true if insertion succeeded, or false if there is an already an entry in the cache that has the same key as item.

Remarks

Warning

The Add and AddOrGetExisting method overloads do not support the UpdateCallback property. Therefore, to set the UpdateCallback property for a cache entry, use the Set method overloads instead.