[MSDN Library April 2000] SetInstallLevel Method (87.5%)

MSDN Library - April 2000 > Platform SDK > Management Services > Setup > Windows Installer > Automation Interface > Automation Interface Reference > Session Object

[MSDN Library April 2000] SetInstallLevel ControlEvent (49.9255952380952%)

MSDN Library - April 2000 > Platform SDK > Management Services > Setup > Windows Installer > User Interface > User Interface Reference > Control Events