You would just draw the UI, double click, and add code. Later versions also supported binding to data structures with one click and a few keystrokes.
Then we abandoned all that stuff in favor of the web and stuff trying to badly imitate the web like xaml.
It’s a bit shocking to me how totally out of fashion WYSIWYG is given how productive it can be.
If someone brought back that kind of experience cross platform with something like Go as the language, millions of programmer hours would be saved. Of course it won’t happen because nobody would pay for it even if it saved them thousands of hours.