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
E_POINTER
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

See also

IUpdateSearcher