IUpdateSearcher::GetTotalHistoryCount method (wuapi.h)
Returns the number of update events on the computer.
Syntax
HRESULT GetTotalHistoryCount(
[out] LONG *retval
);
Parameters
[out] retval
The number of update events on the computer.
Return value
Returns S_OK if successful. Otherwise, returns a COM or Windows error code.
This method can also return the following error codes.
| Return code | Description |
|---|---|
|
A parameter value is invalid or NULL. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP, Windows 2000 Professional with SP3 [desktop apps only] |
| Minimum supported server | Windows Server 2003, Windows 2000 Server with SP3 [desktop apps only] |
| Target Platform | Windows |
| Header | wuapi.h |
| Library | Wuguid.lib |
| DLL | Wuapi.dll |