'Declaration Public Overrides Function Contains( _ ByVal key As System.String, _ Optional ByVal regionName As System.String _ ) As System.Boolean
'Usage Dim instance As MemoryCacheProvider Dim key As System.String Dim regionName As System.String Dim value As System.Boolean value = instance.Contains(key, regionName)
public override System.bool Contains( System.string key, System.string regionName )
public: System.bool Contains( System.string* key, System.string* regionName ) override
public: System.bool Contains( System.String^ key, System.String^ regionName ) override
Parameters
- key
- A unique identifier for the cache entry.
- regionName
- Optional. A named region in the cache where the cache can be found. The default value for the optional parameter is Default
Return Value
true if the cache contains a cache entry with the same key value as key; otherwise, false.