<Window x:Class="ExampleApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Example" Height="300" Width="400">
    <Grid Margin="10">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>

        <!-- Заголовок -->
        <TextBlock Text="Введите текст:" Grid.Row="0" Margin="0,0,0,10" />

        <!-- Поле ввода текста -->
        <TextBox Name="InputTextBox" Grid.Row="1" Margin="0,0,0,10" />

        <!-- Кнопка -->
        <Button Content="Показать текст" Grid.Row="2" Click="OnButtonClick" />

        <!-- Вывод текста -->
        <TextBlock Name="OutputTextBlock" Grid.Row="3" Margin="0,10,0,0" Foreground="Blue" />
    </Grid>
</Window>

using System.Windows;

namespace ExampleApp
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void OnButtonClick(object sender, RoutedEventArgs e)
        {
            // Получение текста из TextBox и вывод его в TextBlock
            OutputTextBlock.Text = InputTextBox.Text;
        }
    }
}

import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text("Example")),
        body: const InputWidget(),
      ),
    );
  }
}

class InputWidget extends StatefulWidget {
  const InputWidget({super.key});

  @override
  State<InputWidget> createState() => _InputWidgetState();
}

class _InputWidgetState extends State<InputWidget> {
  final TextEditingController _controller = TextEditingController();
  String _displayText = "";

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(10),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.start,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          // Заголовок
          const Text(
            "Введите текст:",
            style: TextStyle(fontSize: 16),
          ),
          const SizedBox(height: 10),

          // Поле ввода текста
          TextField(
            controller: _controller,
            decoration: const InputDecoration(
              border: OutlineInputBorder(),
              hintText: "Введите что-то",
            ),
          ),
          const SizedBox(height: 10),

          // Кнопка
          ElevatedButton(
            onPressed: () {
              setState(() {
                _displayText = _controller.text;
              });
            },
            child: const Text("Показать текст"),
          ),
          const SizedBox(height: 10),

          // Вывод текста
          Text(
            _displayText,
            style: const TextStyle(fontSize: 16, color: Colors.blue),
          ),
        ],
      ),
    );
  }
}

<node name="Root">
  <node name="Child1">
    <node name="Grandchild1" value="Grandchild1Value" />
    <node name="Grandchild2" value="Grandchild2Value" />
  </node>
  <node name="Child2">
    <node name="Grandchild3" value="Grandchild3Value" />
  </node>
</node>

{
   "Root":[
      { "Child1":[
            {"Grandchild1": "Grandchild1Value"},
            {"Grandchild2": "Grandchild2Value" }
         ]},
      { Child2":[{"Grandchild3": "Grandchild3Value" }]}
   ]
}

S><node name="Root">
S>  <node name="Child1">
S>    <node name="Grandchild1" value="Grandchild1Value" />
S>    <node name="Grandchild2" value="Grandchild2Value" />
S>  </node>
S>  <node name="Child2">
S>    <node name="Grandchild3" value="Grandchild3Value" />
S>  </node>
S></node>
S>

S>{
S>   "Root":[
S>      { "Child1":[
S>            {"Grandchild1": "Grandchild1Value"},
S>            {"Grandchild2": "Grandchild2Value" }
S>         ]},
S>      { Child2":[{"Grandchild3": "Grandchild3Value" }]}
S>   ]
S>}
S>

{node {name "Root"}
  {node {name "Child1"}
    {node {name "GrandChild1"} "GrandChild1Value"}
    {node {name "GrandChild2"} "GrandChild2Value"}
  }
  {node {name "Child2"}
    {node {name "GrandChild3"} "GrandChild3Value"}
  }
}

S>>{node {name "Root"}
S>>  {node {name "Child1"}
S>>    {node {name "GrandChild1"} "GrandChild1Value"}
S>>    {node {name "GrandChild2"} "GrandChild2Value"}
S>>  }
S>>  {node {name "Child2"}
S>>    {node {name "GrandChild3"} "GrandChild3Value"}
S>>  }
S>>}
S>>

{node ...}
{page ...}
{topic ...}
{sub-topic ...}
...

{config {version "1.0"}
  {auth-params
    {user-name "joesmith"}
    {password "..."}
  }
  {log-params
    {path "..."}
    {max-file-size 1024 {mb}}
    {rotation off}
  }
  ...
}

S><node name="Root">
S>  <node name="Child1">
S>    <node name="Grandchild1" value="Grandchild1Value" />
S>    <node name="Grandchild2" value="Grandchild2Value" />
S>  </node>
S>  <node name="Child2">
S>    <node name="Grandchild3" value="Grandchild3Value" />
S>  </node>
S></node>
S>

S>{
S>   "Root":[
S>      { "Child1":[
S>            {"Grandchild1": "Grandchild1Value"},
S>            {"Grandchild2": "Grandchild2Value" }
S>         ]},
S>      { Child2":[{"Grandchild3": "Grandchild3Value" }]}
S>   ]
S>}
S>

<Root>
  <Child1>
    <Grandchild1 value="Grandchild1Value" />
    <Grandchild2 value="Grandchild2Value" />
  </Child1>
  <Child2>
    <Grandchild3 value="Grandchild3Value" />
  </Child2>
</Root>

{
  "Root": [
    {
      "Child1": [
        {
          "Grandchild1": "Grandchild1Value"
        },
        {
          "Grandchild2": "Grandchild2Value"
        }
      ]
    },
    {
      "Child2": [
        {
          "Grandchild3": "Grandchild3Value"
        }
      ]
    }
  ]
}