ILRUCache::Flush Method [C++]

Use this method to remove the specified element from the cache.

Definition

[C++]

HRESULT ILRUCache::Flush(BSTRbstrKey);

[Visual Basic]

Sub Flush(Optional bstrKey As String)

Parameters

  • bstrKey[C++]
    [in, optional] A BSTR that contains the name of the element to be removed from the cache.
  • bstrKey[Visual Basic]
    An optional String that contains the name of the element to be removed from the cache.

Return Values

[C++] This method returns an HRESULT indicating whether it completed successfully. See the Error Values section for more details.

[Visual Basic] None.

Error Values

[C++] This method returns S_OK (0x00000000) to indicate success and standard COM HRESULT error values to indicate failure. For more information about standard COM errors, see Standard COM Errors. Additional information may be available using the global Err object, which can be accessed using the API function GetErrorInfo. In particular, the GetDescription method of the IErrorInfo interface may return a text description of the error.

[Visual Basic] This method sets the Number property of the global Err object to S_OK (&H00000000) to indicate success and to standard COM error values to indicate failure. For more information about standard COM errors, see Standard COM Errors. Additional information may be available using the global Err object. In particular, the Description property may contain a text description of the error.

Remarks

If no element is specified, all elements are removed.

See Also

[C++]CacheManager Object

[C++]LRUCache Object

[Visual Basic]CacheManager Object

[Visual Basic]LRUCache Object

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