as far as I see, sorrowful wants to change the extension of 3dgs packaged files, for example, pack.wrs ----> pack.srw, so the final compiled packaged file named as pack.srw or pack.*** but not pack.wrs...
in this case do everything like I & Espér said, rename the resource file to whatever you want.
Then copy it in the .exe folder of your project and add a .wdl-file
Call this .wdl-file 'main.wdl' if you code's name you've compiled was main.c
in this file write: RESOURCE "resourse.srw"; for every resource file you have
for example:
you create a program and save it as main.c then compile it and make sure you've checked 'Resource' then go to the main.cd folder and rename 'main.wrs' to any other name, for example 'main.abcd' now create a .wdl-file called 'main.wdl' and write this in it RESOURCE "main.abcd";