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IUpdateDownloader::Download method

Starts a synchronous download of the content files that are associated with the updates.

Syntax


HRESULT Download(
  [out]  IDownloadResult **retval
);

Parameters

retval [out]

An IDownloadResult interface that contains result codes for the download.

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 codeDescription
WU_E_INVALID_OPERATION

The computer cannot access the update site.

WU_E_NO_UPDATE

Windows Update Agent (WUA) does not have updates in the collection.

WU_E_NOT_INITIALIZED

Windows Update Agent is not initialized.

 

Remarks

This method returns WU_E_INVALID_OPERATION if the object that is implementing the interface is locked down.

This method returns WU_E_NO_UPDATE if the Updates property of the IUpdateDownloader interface is not set. This method also returns WU_E_NO_UPDATE if the Updates property is set to an empty collection.

This method returns SUS_E_NOT_INITIALIZED if the download job does not contain updates.

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

IUpdateDownloader

 

 

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