MemoryCache.GetCacheItem(String, String) Method
Definition
Important
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Returns the specified entry from the cache as a CacheItem instance.
public override System.Runtime.Caching.CacheItem GetCacheItem (string key, string regionName = default);
override this.GetCacheItem : string * string -> System.Runtime.Caching.CacheItem
Public Overrides Function GetCacheItem (key As String, Optional regionName As String = Nothing) As CacheItem
Parameters
- key
- String
A unique identifier for the cache entry to get.
- regionName
- String
A named region in the cache to which a cache entry was added. Do not pass a value for this parameter. This parameter is null
by default, because the MemoryCache class does not implement regions.
Returns
A reference to the cache entry identified by key
if the entry exists; otherwise, null
.
Exceptions
regionName
is not null
.
key
is null
.
Remarks
If the cache entry specified by key
exists in the cache, the GetCacheItem method returns it as a CacheItem instance. The Key and Value properties of the CacheItem instance will be set. However, the RegionName property will be null
, because regions are not implemented in the MemoryCache class.
Applies to
.NET
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