How will a relative path help? If the file gets moved, the relative path will be wrong and will fail.
If the file is not in the project, you will have to manually enter the path, relative or absolute.
See www.grainge.org for RoboHelp and Authoring tips
Perhaps my terminology is incorrect, but what I am trying to do is create a link from inside my .chm to link to an external .pdf file. The file can be placed in the same folder as the .chm, but not compiled inside the project.
I am being laid off, and am trying to set up a procedure so the developers can continue to post help documents (in .pdf format), without having to learn Robohelp.
Microsoft's HTML Help documentation includes a script with which you can link to an external file. See:
This opens the external file in the topic pane of the Help viewer. If you'd rather open the file in its native application (Acrobat or Adobe Reader, in your case), you'd need to use a script like this one:
You may also find these resources useful: