Environmental Variables
When compiling your Wxs documents to wixobj code, you can make use of environmental variables to determine various information. For example, lets say you want to change which files get included in a project. Lets say you have an environmental variable called RELEASE_MODE, that you set right before you build your MSI (either with a script or manually, it doesn't matter) In your wix source, you can do something like:
and then later in your code, use it in place to on the fly change your wxs document, eg:
