>>>Hi everybody,
>>>
>>>While doing development we need to include aBuilders.vcx and cBuilders.vcx into the project. These files are not needed in the executable. How can we automatically remove these files from the project before building the executable and put them back after the process has finished?
>>>
>>>Thanks in advance.
>>
>>In addition to what Sergey told you, this sounds to me like a use for the Project Hook.
>
>Yes, but we never tried to use it before. I hope Sergey's solution would be enough.

Why didn't you try? First, you can learn something that, if it doesn't apply to this project, that you can use later. Second, you'll improve your Fox skill set regardless.