They were original in the 1984 Macintosh OS (before it had a name), and published in the first edition (1987) of the Apple Human Interface Guidelines.
Just two of the things Microsoft copied successfully. :)
They were original in the 1984 Macintosh OS (before it had a name), and published in the first edition (1987) of the Apple Human Interface Guidelines.
Just two of the things Microsoft copied successfully. :)
Eh, they were definitely from Xerox (so it would be unclear since that both Windows and the Mac System Software derived some of their UI elements from Xerox experiments)