{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# `ui.dark_mode`\n",
    "\n",
    "## 深色模式\n",
    "\n",
    "您可以使用此元素在页面上启用、禁用或切换深色模式。值 `None` 表示自动模式，将使用客户端的系统首选项。\n",
    "\n",
    "请注意，此元素会覆盖 `ui.run` 函数和页面装饰器的 `dark` 参数。\n",
    "\n",
    "- `value`：是否启用深色模式。如果为 `None`，则深色模式设置为自动。\n",
    "- `on_change`：当值发生变化时调用的回调函数。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<nicegui.elements.button.Button at 0x14d68aea250>"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "dark = ui.dark_mode()\n",
    "ui.label('Switch mode:')\n",
    "ui.button('Dark', on_click=dark.enable)\n",
    "ui.button('Light', on_click=dark.disable)\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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