WiX Cookbook by Unknown

Author:Unknown
Language: eng
Format: epub
Publisher: Packt Publishing

The installation should fail and roll back. Check our Config.js file to make sure that it has kept its original contents. It should contain 127.0.0.1 and not 10.0.0.1.

How it works...

The UtilExtension namespace contains a custom action called WixFailWhenDeferred, which, when added to a project, will schedule itself within the execute sequence so that right at the end, a rollback is triggered. However, you control whether to invoke the rollback by passing WIXFAILWHENDEFERRED=1 on the command line; otherwise, it will continue without a rollback.

It's a good idea to always include WixFailWhenDeferred in your setup projects. This way, you always have a way to test a rollback. This sort of testing, along with verifying that uninstallation works correctly, is an important part of assuring the quality of your installer.

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