IListManager::GetListId Method [C++]

Article
11/12/2009

Use this method to retrieve the ID of a list given the list name.

Definition

[C++]

HRESULT IListManager::GetListId(BSTRlistName,
  VARIANT*pvarID);

[Visual Basic]

Function GetListId(listName As String) As Variant

Parameters

listName[C++]
[in] A BSTR that contains the list name.
listName[Visual Basic]
A String that contains the list name.
pvarID[C++]
[out, retval] A pointer to a VARIANT used to return the ID (a GUID) of the list.

Return Values

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

[Visual Basic] If this method completes successfully, it returns a Variant containing the ID (a GUID) of the list.

Error Values

[C++] This method returns S_OK (0x00000000) to indicate success and either standard or custom COM HRESULT error values to indicate failure. For more information about standard COM errors, see Standard COM Errors.

[Visual Basic] This method sets the Number property of the global Err object to S_OK (&H00000000) to indicate success and to either standard or custom COM error values to indicate failure. For more information about standard COM errors, see Standard COM Errors.

The following table shows the custom COM errors that this method can return.

Constant	Value	Description
E_LM_LIST_NOT_FOUND	[C++] 0x8C400006 [Visual Basic] &H8C400006	The specified list does not exist.
E_LM_SQLERROR	[C++] 0x8C400003 [Visual Basic] &H8C400003	Error while executing SQL/ADO operation.
OLE_E_BLANK	[C++] 0x80040007 [Visual Basic] &H80040007	The ListManager object has not been properly initialized.

[C++] 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] 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.