Have you ever tried to copy text from a dialog window of a Windows app? This is not possible most of the time.
To work around this problem, a developer has come up with Textify , a free tool that uses the Windows Accessibility API to be able to read text normally inaccessible to your right-click > copy.
Here is a demo of what it looks like:
Textify uses a hotkey that you can set to enable text detection so you can copy it. I imagine the need isn’t frequent but it’s the kind of really handy little app.