---

<Window x:Class="RadioButtonLab.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Практическая работа RadioButton"
        Height="800"
        Width="700">

    <ScrollViewer>

        <StackPanel Margin="20">

            <!-- Задание 1 -->

            <TextBlock Text="Задание 1. Выбор языка"
                       FontSize="18"
                       FontWeight="Bold"/>

            <WrapPanel Margin="0,10">

                <RadioButton Content="Русский" Checked="Language_Checked"/>
                <RadioButton Content="English" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="Deutsch" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="Français" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="Español" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="Italiano" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="Português" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="Polski" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="中文" Margin="10,0" Checked="Language_Checked"/>
                <RadioButton Content="日本語" Margin="10,0" Checked="Language_Checked"/>

            </WrapPanel>

            <Separator Margin="0,15"/>

            <!-- Задание 2 -->

            <TextBlock Text="Задание 2. Армия"
                       FontSize="18"
                       FontWeight="Bold"/>

            <TextBlock Text="Хотите служить в армии?"
                       Margin="0,10"/>

            <RadioButton x:Name="rbYes"
                         Content="Да"
                         IsChecked="True"/>

            <RadioButton x:Name="rbNo"
                         Content="Нет"
                         Checked="rbNo_Checked"/>

            <Separator Margin="0,15"/>

            <!-- Задание 3 -->

            <TextBlock Text="Задание 3. Угадай число"
                       FontSize="18"
                       FontWeight="Bold"/>

            <WrapPanel Margin="0,10">

                <RadioButton Content="1" Checked="Number_Checked"/>
                <RadioButton Content="2" Checked="Number_Checked"/>
                <RadioButton Content="3" Checked="Number_Checked"/>
                <RadioButton Content="4" Checked="Number_Checked"/>
                <RadioButton Content="5" Checked="Number_Checked"/>
                <RadioButton Content="6" Checked="Number_Checked"/>
                <RadioButton Content="7" Checked="Number_Checked"/>
                <RadioButton Content="8" Checked="Number_Checked"/>
                <RadioButton Content="9" Checked="Number_Checked"/>
                <RadioButton Content="10" Checked="Number_Checked"/>

            </WrapPanel>

            <Separator Margin="0,15"/>

            <!-- Задание 4 -->

            <TextBlock Text="Задание 4. Цвета"
                       FontSize="18"
                       FontWeight="Bold"/>

            <TextBlock x:Name="txtColor"
                       Text="Текст меняет цвет"
                       FontSize="24"
                       Margin="0,10"/>

            <WrapPanel>

                <RadioButton Content="Red" Checked="Color_Checked"/>
                <RadioButton Content="Blue" Margin="10,0" Checked="Color_Checked"/>
                <RadioButton Content="Green" Margin="10,0" Checked="Color_Checked"/>
                <RadioButton Content="Yellow" Margin="10,0" Checked="Color_Checked"/>
                <RadioButton Content="Orange" Margin="10,0" Checked="Color_Checked"/>
                <RadioButton Content="Purple" Margin="10,0" Checked="Color_Checked"/>
                <RadioButton Content="Black" Margin="10,0" Checked="Color_Checked"/>

            </WrapPanel>

            <Separator Margin="0,15"/>

            <!-- Задание 5 -->

            <TextBlock Text="Задание 5. Часовые пояса"
                       FontSize="18"
                       FontWeight="Bold"/>

            <StackPanel Margin="0,10">

                <RadioButton Content="Москва" Checked="City_Checked"/>
                <RadioButton Content="Лондон" Checked="City_Checked"/>
                <RadioButton Content="Париж" Checked="City_Checked"/>
                <RadioButton Content="Токио" Checked="City_Checked"/>
                <RadioButton Content="Пекин" Checked="City_Checked"/>
                <RadioButton Content="Нью-Йорк" Checked="City_Checked"/>
                <RadioButton Content="Сидней" Checked="City_Checked"/>

            </StackPanel>

        </StackPanel>

    </ScrollViewer>
</Window>


using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace RadioButtonLab
{
    public partial class MainWindow : Window
    {
        Random rnd = new Random();
        int secret;

        public MainWindow()
        {
            InitializeComponent();

            secret = rnd.Next(1, 11);
        }

        // Задание 1

        private void Language_Checked(object sender, RoutedEventArgs e)
        {
            RadioButton rb = sender as RadioButton;

            MessageBox.Show(
                "Вы выбрали язык: " + rb.Content);
        }

        // Задание 2

        private void rbNo_Checked(object sender, RoutedEventArgs e)
        {
            MessageBox.Show(
                "Спасибо за положительный ответ!");

            rbYes.IsChecked = true;
        }

        // Задание 3

        private void Number_Checked(object sender, RoutedEventArgs e)
        {
            RadioButton rb = sender as RadioButton;

            int number = Convert.ToInt32(rb.Content);

            string[] roman =
            {
                "",
                "I","II","III","IV","V",
                "VI","VII","VIII","IX","X"
            };

            rb.ToolTip = roman[number];

            if (number == secret)
            {
                MessageBox.Show("Вы угадали!");

                secret = rnd.Next(1, 11);
            }
        }

        // Задание 4

        private void Color_Checked(object sender, RoutedEventArgs e)
        {
            RadioButton rb = sender as RadioButton;

            txtColor.Foreground =
                (Brush)new BrushConverter()
                .ConvertFromString(rb.Content.ToString());
        }

        // Задание 5

        private void City_Checked(object sender, RoutedEventArgs e)
        {
            RadioButton rb = sender as RadioButton;

            string city = rb.Content.ToString();
            string zone = "";

            switch (city)
            {
                case "Москва":
                    zone = "GMT+3";
                    break;

                case "Лондон":
                    zone = "GMT+0";
                    break;

                case "Париж":
                    zone = "GMT+1";
                    break;

                case "Токио":
                    zone = "GMT+9";
                    break;

                case "Пекин":
                    zone = "GMT+8";
                    break;

                case "Нью-Йорк":
                    zone = "GMT-5";
                    break;

                case "Сидней":
                    zone = "GMT+10";
                    break;
            }

            MessageBox.Show($"{city} — {zone}");
        }
    }
}