Think of a workaround for him:
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Had not noticed that a guy has blogged that: http://blogs.msdn.com/helloworld/archive/2008/04/08/customactiondata-and-user-defined-path.aspx
But the installer class and CA is really helpful to those DTG guys, I may later blog further about it when at free.