UI Custom Action Guidelines

Windows Installer provides a rich set of standard actions that handle the typical needs of an installation: installing files and folders, manipulating the registry, searching for existing resources in the registry or the file system, controlling Windows services and so-on. Custom actions are handy things for when you need to do some custom processing that isn’t covered by one of the standard actions. You can customize your UI experience by invoking an action when the user interacts with a control by publishing a DoAction control event for the control. This post describes some guidelines (and one workaround) for custom actions invoked by the user interface in a Windows Installer MSI package.

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Branching Wizard Sequences With WiX

Wizard dialog sequences are common in Windows Installer packages as they lead the user through a series of questions to customize the installation of a product. Welcome to the install, select the installation directory, ready to install and so-on are common dialogs present in the wizard dialog sequence. Sometimes you need to make a choice between two dialogs based on the user’s input, however:


So you’ll need to branch to different dialogs on the Next button of the Installation Type dialog (and the Back button of the Install Location dialog) based on the user’s input. This post describes the best way to achieve this branching dialog behavior in Windows Installer, using Windows Installer XML (WiX) as the authoring tool.

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Utah Code Camp: September 19th, 2009

I’ll be talking about Direct2D, DirectWrite and WiX at the Fall 2009 Utah Code Camp on September 19th at Neumont University.

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