Is very usefull, a system for generate, modify, and merge config files for .NET and ASP.NET. For example insert a element, or attribute in a application.exe.config, or merge two config files in one
Please give more details about this! Do you want to perform these changes during the installation?
Modifying XML files is not supported by Windows Installer, but this can be done by using a custom action. This feature is on our TODO list and will be available in a future release.