MemoryCache.Add(CacheItem, CacheItemPolicy) Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
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
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.
Applies to
.NET
フィードバック
https://aka.ms/ContentUserFeedback」を参照してください。
以下は間もなく提供いたします。2024 年を通じて、コンテンツのフィードバック メカニズムとして GitHub の issue を段階的に廃止し、新しいフィードバック システムに置き換えます。 詳細については、「フィードバックの送信と表示