---

<Window x:Class="TimeWpfApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Практическая работа: Класс Время" Height="450" Width="400">
    <Grid>
        <StackPanel Margin="20">
            <TextBlock Text="Установка времени" FontSize="16" FontWeight="Bold" Margin="0,0,0,10"/>
            <Grid Margin="0,0,0,10">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="*"/>
                    <ColumnDefinition Width="*"/>
                </Grid.ColumnDefinitions>
                <StackPanel Grid.Column="0" Margin="5">
                    <Label Content="Час:"/>
                    <TextBox x:Name="InputHour" Text="12"/>
                </StackPanel>
                <StackPanel Grid.Column="1" Margin="5">
                    <Label Content="Мин:"/>
                    <TextBox x:Name="InputMinute" Text="30"/>
                </StackPanel>
                <StackPanel Grid.Column="2" Margin="5">
                    <Label Content="Сек:"/>
                    <TextBox x:Name="InputSecond" Text="00"/>
                </StackPanel>
            </Grid>

            <Button Content="Установить время" Click="BtnSetTime_Click" Height="30" Margin="0,0,0,20"/>

            <TextBlock Text="Изменение времени" FontSize="16" FontWeight="Bold" Margin="0,0,0,10"/>
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Margin="0,0,0,20">
                <TextBox x:Name="InputValue" Width="60" VerticalContentAlignment="Center" Margin="0,0,10,0" Text="1"/>
                <Button Content="+ Час" Click="BtnAddHour_Click" Width="70" Margin="2"/>
                <Button Content="+ Мин" Click="BtnAddMinute_Click" Width="70" Margin="2"/>
                <Button Content="+ Сек" Click="BtnAddSecond_Click" Width="70" Margin="2"/>
            </StackPanel>

            <Border BorderBrush="Gray" BorderThickness="1" Padding="15" CornerRadius="5" Background="#F0F0F0">
                <TextBlock x:Name="DisplayTime" Text="00:00:00" FontSize="40" HorizontalAlignment="Center" FontFamily="Consolas"/>
            </Border>

            <TextBlock x:Name="DisplayError" Foreground="Red" Margin="0,15,0,0" TextWrapping="Wrap" TextAlignment="Center" FontWeight="Bold"/>
        </StackPanel>
    </Grid>
</Window>