Is there any way a user can view or copy non-editable GUI controls' contents at runtime?
I have generally had success with Snagit's Text Capture feature that supports:
Window Region Scrolling Window Active Window Fixed Region Scrolling Active Window Full Screen Object Clipboard Rich All-in-One Custom Scroll Text Formatting
There's also HyperSnap's similar TextSnap feature which I have used successfully.
AutoIt's Window Information Tool AU3Info may very well be able to help:
There's also CopyText but I've never tried it: