Originally Posted by Baertram
If you do not want to read the eso.exe memory/screen you could do a workaround maybe:
Save a screenshot as some trigger executes (may freeze the screen for a few milli seconds  ) and then let your external program check the screenshot folder for new files, read the file's pixels, delete the screenshot afterwards. |
That's just a more clunky way of reading the frame buffer
IMO the difference between the OP and directly reading process memory is purely technical.