Customizing menus
You can customize a current menu and save your changes as a file. Menus files can also be loaded. Loadable menu file formats can be any of the following: progeCAD (*.icm files), Customizations (.cui files), and AutoCAD (*.mnu, *.mns files).
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Understanding menu compatibility
Creating new menus and adding commands
Setting custom images for commands on a menu
Setting properties of menu items