ILRUCache::Insert Method [C++]

Article
11/12/2009

Use this method to add an element to the cache.

Definition

[C++]

HRESULT ILRUCache::Insert(BSTRbstrKey,
  VARIANT*pvarValue);

[Visual Basic]

Sub Insert(bstrKey As String,
  pvarValue As Variant)

Parameters

bstrKey[C++]
[in] A BSTR that contains the name of the element to be added to the cache.
bstrKey[Visual Basic]
A String that contains the name of the element to be added to the cache.
pvarValue[C++]
[in] A pointer to the VARIANT that contains the value of the element.
pvarValue[Visual Basic]
A Variant that contains the value of the element.

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

For more information about memory ownership issues related to COM property and method parameters, see Managing COM Parameter Memory.