UILevel property

The installer sets the UILevel property to the level of the user interface. The internal UI is enabled and set by MsiSetInternalUI. This property is set to one of the following INSTALLUILEVEL data types.

INSTALLUILEVELNumeric valueUser interface level
INSTALLUILEVEL_NONE2Completely silent installation.
INSTALLUILEVEL_BASIC3Simple progress and error handling.
INSTALLUILEVEL_REDUCED4Authored UI, wizard dialogs suppressed.
INSTALLUILEVEL_FULL5Authored UI with wizards, progress, errors.




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.

See also

User Interface
Determining UI Level from a Custom Action