IUpdateSearcher::GetTotalHistoryCount method (wuapi.h)

Returns the number of update events on the computer.

Syntax

HRESULT GetTotalHistoryCount(
  [out] LONG *retval
);

[out] retval

The number of update events on the computer.

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.

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