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IUpdateInstaller::Install method (wuapi.h)

  • Article

Starts a synchronous installation of the updates.

Syntax

HRESULT Install(
  [out] IInstallationResult **retval
);

Parameters

[out] retval

An IInstallationResult interface that represents the results of an installation operation for each update that is specified in a request.

Return value

This method returns the following HRESULT values and other COM or Windows

error codes.

Return code Description
S_OK
 The update was installed successfully.
WU_E_INSTALL_NOT_ALLOWED
 Do not call this method when the installer is installing or removing an update.

Call this method only when the IsBusy property of the IUpdateInstaller interface returns VARIANT_FALSE.
WU_E_NO_UPDATE
 There are no updates in a collection.

Remarks

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

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

IUpdateInstaller