Item Property

MemoryCache.Item Property (String)

.NET Framework 4.6 and 4.5

Gets or sets a value in the cache by using the default indexer property for an instance of the MemoryCache class.

Namespace:   System.Runtime.Caching
Assembly:  System.Runtime.Caching (in System.Runtime.Caching.dll)

public override object this[
	string key
] { get; set; }


Type: System.String

A unique identifier for the cache value to get or set.

Property Value

Type: System.Object

The value in the cache instance for the specified key, if the entry exists; otherwise, null.

Exception Condition

key is null.


The inserted value is null.

When you set this property, the value is inserted into the cache. The expiration policy for the cache entry is set to InfiniteAbsoluteExpiration. If a cache entry with a matching key already exists, its value is updated.

.NET Framework
Available since 4.0
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