Yup, if you download a ccf with commands for the device you want, the codes will come with it.
If you don't like the graphics on the ccf that you download, you can right click on those pages and click "Is Hidden." That means the page will not show on the Pronto. You can then create your own graphics and alias your buttons to the commands on those pages.
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw