MAKEMSI quickly and reliably creates MSI files in a non-programmatic way
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\->Windows Installer FAQ (the basics)->Custom Actions->Types of Custom Actions->Immediate Custom Actions

Immediate Custom Actions

Immediate custom actions are the opposite of deferred ones and can be scheduled at any time.

All immediate custom actions that fall between "InstallInitialize" and "InstallFinalize" are executed before deferred ones.

As these actions don't have commit and Rollback support they shouldn't change machine state.

An immediate custom action can change the MSI database to dynamically alter its "settings", see "Dynamically Update Dialog Controls" for an example.


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Microsoft awarded me an MVP (Most Valuable Professional award) in 2004, 2005, 2006, 2007, 2008 & 2009 for the Windows SDK (Windows Installer) area.