实现下拉菜单功能。菜单可以通过下拉动作或者通过点击动作出现，也可以通过上拉或者点击动作隐藏。可以将下拉菜单加载NavigationConroller的导航栏上（如本demo，下拉导航栏出现菜单），或者添加在任意视图上（点击按钮出现菜单）。 [Code4App.com]
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view plain copy to clipboard print ? function zen_draw_pull_down_menu ( $name , $values , $default = '' , $parameters = '' , $required = false) { $field = '<select name="' . zen_outp
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function zen_draw_pull_down_menu ($name, $values, $default = '', $parameters = '', $required = false) { $field = '<select name="' . zen_output_string($name) . '"'; if (zen_not_null($paramete
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This was kind of interesting to figure out. What I was going after is the following. I had a drop down box on a page that shows some Business Units. The values however need to be dynamic and change de
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十一、Tkinter的Menu菜单控件 Menu 控件（菜单控件）可以说是 GUI 中“精髓所在”，它以可视化的方式将一系列的“功能选项卡”进行分组，并在每个分组下又“隐藏”了许多其他的“选项卡”。当打开菜单时，这些选项卡就会“显式”的呈现出来，方便用户进行选择， Menu 控件提供了三种类型的菜单，分别是：topleve（主目录菜单）、pull-down（下拉式菜单）、pop-up（弹出式菜单，
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Pull-down-to-refresh a WP7 ListBox or ScrollViewer Update 12/19/2011: Updated the attached demo project to target the WP 7.1 (Mango) SDK. It still requires setting ManipulationMode=Control on the
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