blockly >FieldDropdown >onItemSelected_
FieldDropdown.onItemSelected_() 方法
处理下拉菜单中的项选择。
Signature:
protected onItemSelected_(menu: Menu, menuItem: MenuItem): void;
参数
返回：
void
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最后更新时间 (UTC)：2024-09-10。
[null,null,["最后更新时间 (UTC)：2024-09-10。"],[[["The `onItemSelected_` method is called when a user selects an item from a FieldDropdown's menu."],["It receives the `Menu` and selected `MenuItem` as input, allowing developers to react to the user's choice."],["This method is intended for internal use and doesn't return any value."]]],["The `onItemSelected_` method within the `FieldDropdown` class handles dropdown menu item selection. It receives two parameters: `menu`, representing the clicked `Menu` component, and `menuItem`, representing the selected `MenuItem` within that menu. This method processes the specific `MenuItem` choice and performs actions based on the selection within a `FieldDropdown`, it does not return a value.\n"]]