IListManager::Copy
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Use this method to copy an existing list over another existing list.
Definition
HRESULT IListManager::Copy(VARIANTsrcList,VARIANTresList,BOOLbAsync,VARIANT*pvarOpID);
Parameters
srcList
[in] A VARIANT that contains the ID or name of the source list.
resList
[in] A VARIANT that contains the ID or name of the result list.
bAsync
[in] A BOOL that specifies whether the copy operation is performed synchronously or asynchronously. A value of True indicates asynchronous processing.
pvarOpID
[out, optional] A pointer to a VARIANT used to return an Operation ID.
Return Values
This method returns an HRESULT indicating whether it completed successfully. See the Error Values section for more details.
Error Values
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.
The following table shows the custom COM errors that this method can return.
| Constant | Value | Description |
| E_LM_COPY_LIST_OVER_SELF | 0x8C40001C | Cannot copy a list over itself. |
| E_LM_LIST_BUSY | 0x8C400008 | The specified list is currently busy with another operation. |
| E_LM_LIST_IN_FAILED_STATE | 0x8C40001D | The specified list is in a FAILED state and may not be used for the operation. |
| E_LM_LIST_NOT_FOUND | 0x8C400006 | The specified list does not exist. |
| E_LM_OPER_CANCELED | 0x8C40000B | The operation was canceled. |
| E_LM_SQLERROR | 0x8C400003 | Error while executing SQL/ADO operation. |
| OLE_E_BLANK | 0x80040007 | The ListManager object has not been properly initialized. |
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.
Remarks
The result list must exist prior to calling the method; however, any data in the list will be overwritten.
The flags attribute of the destination list is replaced with the flags attribute of the source list. The UserFlags attribute is not changed.
For more information about memory ownership issues related to COM property and method parameters, see Managing COM Parameter Memory.