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IUpdateSearcher::GetTotalHistoryCount method

Returns the number of update events on the computer.

Syntax

HRESULT GetTotalHistoryCount(
  [out] long *retval
);

Parameters

  • retval [out]
    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

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]

Header

Wuapi.h

IDL

Wuapi.idl

Library

Wuguid.lib

DLL

Wuapi.dll

See also

IUpdateSearcher