ShowMenu is an XCMD (external command) that will redisplay any menus you've added to HyperCard using the NewMenu XFCN. HyperCard doesn't know you've added menus, and if you change userLevels or use the paint tools HyperCard will erase your menus accidentally. It doesn't mean it, it just doesn't know any better. An example of using ShowMenu would be:
on idle
global myMenu
ShowMenu myMenu
pass idle
end idle
Again, the menu number should be the same number that was returned by NewMenu.
For a more efficent method of use, see the sample script provided with NewMenu.
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ShowMenu <menu>
*Menus for HyperCardΓäó - see NewMenu for examples