ObjectCache::Contains Method (String^, String^)

.NET Framework (current version)
 

When overridden in a derived class, checks whether the cache entry already exists in the cache.

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

public:
virtual bool Contains(
	String^ key,
	String^ regionName = null
) abstract

Parameters

key
Type: System::String^

A unique identifier for the cache entry.

regionName
Type: System::String^

Optional. A named region in the cache where the cache can be found, if regions are implemented. The default value for the optional parameter is null.

Return Value

Type: System::Boolean

true if the cache contains a cache entry with the same key value as key; otherwise, false.

.NET Framework
Available since 4.0
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