IUpdate::IsInstalled property

Gets a Boolean value that indicates whether the update is installed on a computer when the search is performed.

This property is read-only.

Syntax

HRESULT get_IsInstalled(
  [out] VARIANT_BOOL *retval
);

Property value

Returns VARIANT_TRUE if the update is currently installed on the computer; otherwise, returns VARIANT_FALSE.

Error codes

Returns S_OK if successful. Otherwise, returns a COM or Windows error code.

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

IUpdate