本文探讨了在 ExtJS 框架中如何利用菜单的前置显示事件 (beforeshow) 来执行特定函数。此功能允许开发者在菜单展示前进行自定义操作，例如更新菜单项的状态或数据。
Its there an onbeforeshow event or something similar that alows me to execute a function
before a menu shows , when a user clicks on a button that shows a menu...
how do I make a function execute before the menu is showed?
before a menu shows , when a user clicks on a button that shows a menu...
how do I make a function execute before the menu is showed?
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http://www.extendersamples.qsh.eu
My Blog
http://rodiniz.blogspot.com
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#2
03-13-2007, 12:10 PM
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 Yes. I don't think it's doc'd yet, but if you look at Menu.js, this.events is right at the top - beforeshow is one of the events.
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