MsiQueryProductStateA function

The MsiQueryProductState function returns the installed state for a product.

Syntax

INSTALLSTATE MsiQueryProductStateA(
  LPCSTR szProduct
);

Parameters

szProduct

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

   
Minimum supported client Windows Installer 5.0 on Windows Server 2012, Windows 8, 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 or Windows XP. See the Windows Installer Run-Time Requirements for information about the minimum Windows service pack that is required by a Windows Installer version.
Target Platform Windows
Header msi.h
Library Msi.lib
DLL Msi.dll

See Also

System Status Functions