Control bar is designed to match file extensions to programs for options to launch matching files in these programs instead of the default application.
- click open
Settings, switch to
- set a file extension to input box in
Extension group, e.g.: png
add, then select a executable file path, e.g.: C:\Program
OK to submit settings
- try to trigger a file with the extension you just provided in Step 2, now you can see a icon in control bar which allows you to open that file with the application you provided in Step 3