XmlFile with WiX

Nat Luengnaruemitchai — Wed, 02 Nov 2005 23:48:00 GMT

When you create an msi installer with WiX, you may need to modify app.config according to user settings and/or properties. You can simply do it by using <XmlFile /> custom action tag. It can be used as follows:

Note that [@key='ServiceLocation] must be encoded in [ ] bracket, otherwise, MSI will treat it as property before putting the value.