MemoryCache.GetCacheItem(String, String) 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.
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.