---

<!-- MainWindow.xaml -->
<Window x:Class="PuzzleApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Шифр-головоломка"
        Height="600"
        Width="600"
        WindowStartupLocation="CenterScreen">

    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="50"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>

        <StackPanel Orientation="Horizontal"
                    HorizontalAlignment="Center"
                    Margin="0,10,0,10">

            <Button x:Name="LoadBtn"
                    Content="Загрузить изображение"
                    Width="180"
                    Margin="5"
                    Click="LoadBtn_Click"/>

            <Button x:Name="ShuffleBtn"
                    Content="Перемешать"
                    Width="120"
                    Margin="5"
                    Click="ShuffleBtn_Click"/>
        </StackPanel>

        <UniformGrid x:Name="PuzzleGrid"
                     Grid.Row="1"
                     Rows="4"
                     Columns="4"
                     Margin="5"
                     HorizontalAlignment="Center"
                     VerticalAlignment="Center"/>
    </Grid>
</Window>