Here are the relevant threads I searched: THREAD# 1240401, THREAD# 1331039, THREAD# 1244081, THREAD# 1234220, THREAD# 542882, and THREAD# 485474

You are correct that visible can be set .f. for the menu. However as Cetin points out in 542882, that is not a bulletproof solution to prevent copying. Still, it is a start.

Thanks