livecode/docs/dictionary/command/enable-menu.lcdoc at develop-9.0 · livecode/livecode

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Name: enable menu
Type: command
Syntax: enable [menuItem <itemNumber> of] menu {<menuName> | <menuNumber>}
Syntax: enable menuItem <itemNumber> of <button>
Enables a <menu> or <menu item> so that it can be chosen by the user.
Introduced: 1.0
OS: mac, windows, linux
Platforms: desktop, server
enable menu 2
enable menuItem 3 of menu "Text" -- menu in menu bar
enable menuItem 4 of button "Edit"
Parameters:
itemNumber:
The number of a menu item, from top to bottom of the menu. The first
menu item is numbered 1. (Horizontal lines count.)
The name of a menu in the current menu bar.
menuNumber:
The number of a menu, from left to right.
Any button.
Description:
Use the <enable menu> <command> to enable a <menu> or <menu item> so it
can be chosen.
If a menuItem is specified, only that <menu item> is enabled; otherwise,
the entire <menu> is enabled.
When used to enable an entire menu at once, the <enable menu> <command>
applies only to <menus> in the current <menu bar>. To disable a <menu>
associated with a <button>, use the <enable> <command>.
On Mac OS systems, the Apple menu does not have a number and cannot be
enabled or disabled. Menu numbering starts with the menu to the right of
the Apple menu.
Since a LiveCode menu bar is implemented as a group of buttons (one
button per menu, with the menu items as lines in the button's text
<property>), you can indicate a <menu> by specifying its <button>.
<Disabled> <menu item|menu items> have an open parenthesis ( at the
beginning of the line for that menu item. When used to <enable> a 
<menu item>, the <enable menu> <command> removes the open parenthesis from the
beginning of the specified line.
References: enable (command), doMenu (command), menus (function),
property (glossary), command (glossary), menu item (glossary),
menu bar (glossary), menu (keyword), button (keyword), enabled (property),
disabled (property)
Tags: menus

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