The MENU object is created empty. In order to add menu titles and items
you have to open the 'Object Specific' edit window shown below.
To add a title in the menu bar you can set the title properties (text and the
optional name) and then click on the 'Add' button.
By selecting an existing menu title (picking it from the list in the left) you
can operate the title deletion (by clicking on the 'Delete' button), or you
may change the text/name properties and apply them (by clicking on the
'Modify' button).
Once a menu title is selected, the item creation actions become sensitive
allowing you to add menu items to the selected menu title.
To add an item in a menu title you can set the item properties (text, name,
accelerator key, callback and sensitivity) and then click on one of the
following buttons: