MsiQueryProductState Function

Windows Installer

MsiQueryProductState Function

The MsiQueryProductState function returns the installed state for a product.

Syntax

C++INSTALLSTATE MsiQueryProductState(
  __in  LPCTSTR szProduct
);

Parameters

szProduct [in]

Specifies the product code that identifies the product to be queried.

Return Value

Value Meaning
INSTALLSTATE_ABSENT

The product is installed for a different user.

INSTALLSTATE_ADVERTISED

The product is advertised but not installed.

INSTALLSTATE_DEFAULT

The product is installed for the current user.

INSTALLSTATE_INVALIDARG

An invalid parameter was passed to the function.

INSTALLSTATE_UNKNOWN

The product is neither advertised or installed.

 

Requirements

VersionWindows Installer 5.0 on Windows Server 2008 R2 or Windows 7. Windows Installer 4.0 or Windows Installer 4.5 on Windows Server 2008 or Windows Vista. Windows Installer on Windows Server 2003, Windows XP, and Windows 2000. See the Windows Installer Run-Time Requirements for information about the minimum Windows service pack that is required by a Windows Installer version.
HeaderMsi.h
LibraryMsi.lib
DLLMsi.dll
Unicode and ANSI namesMsiQueryProductStateW (Unicode) and MsiQueryProductStateA (ANSI)

See Also

System Status Functions

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Build date: 8/13/2009

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