Lab16/WpfApp1/MainWindow.xaml

<Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp1"
        mc:Ignorable="d"
        Title="MainWindow" Height="800" Width="1000"
        WindowStartupLocation="CenterScreen"
        WindowStyle="None"
        AllowsTransparency="True"
        Background="Transparent"
        Loaded="Window_Loaded"
        ResizeMode="CanResizeWithGrip"
        MinHeight="800"
        MinWidth="700">

    <Border x:Name="WindowBorder" CornerRadius="15" Background="White">
        <Border CornerRadius="15" Background="Azure" Margin="5 5 5 5" MouseDown="Border_MouseDown">
            <Grid Background="Transparent" Margin="5 5 5 5">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="87*"/>
                    <ColumnDefinition Width="893*"/>
                </Grid.ColumnDefinitions>
                <StackPanel Width="170" HorizontalAlignment="Right" Orientation="Horizontal" VerticalAlignment="Top" Grid.Column="1" Height="25">
                    <Button Style="{StaticResource MaterialDesignOutlinedButton}" Click="Button_Click_3" Background="White" BorderBrush="Black" Foreground="Black" Content="←"  FontWeight="Normal" FontSize="14" Width="50" Height="25" Margin="0 0 5 0"/>
                    <Button Style="{StaticResource MaterialDesignOutlinedButton}" Click="Button_Click_1" Background="White" BorderBrush="Black" Foreground="Black" Content="_" FontWeight="Bold" FontSize="14" Width="50" Height="25" Margin="0 0 5 0"/>
                    <Button Style="{StaticResource MaterialDesignOutlinedButton}" Click="Button_Click" Background="White" BorderBrush="Black" Foreground="Black" Content="X" FontWeight="Bold" FontSize="14" Width="50" Height="25"/>
                </StackPanel>

                <StackPanel VerticalAlignment="Center" HorizontalAlignment="Left" Grid.Column="1" Margin="113,0,0,0" Height="210" Width="560">
                    <ScrollViewer VerticalScrollBarVisibility="Auto">
                        <StackPanel VerticalAlignment="Center" HorizontalAlignment="Center" Height="Auto">
                            <Border Margin="10,10,10,10" CornerRadius="15" Background="#32373d" HorizontalAlignment="Center" Width="540">
                                <Grid Margin="10 10 10 10">
                                    <StackPanel VerticalAlignment="Top" HorizontalAlignment="Center">
                                        <Button Background="WhiteSmoke" Style="{StaticResource MaterialDesignPaperButton}" Click="Button_Click_2" Content="Падение тела" FontSize="30" Margin="20,0,20,0" BorderBrush="WhiteSmoke" BorderThickness="2" HorizontalAlignment="Center" Width="380" Height="50"/>
                                        <Button Background="WhiteSmoke" Style="{StaticResource MaterialDesignPaperButton}" Click="Button_Click_4" Content="Скольжение тела" FontSize="30" Margin="20,10,20,0" BorderBrush="WhiteSmoke" BorderThickness="2" HorizontalAlignment="Center" Width="380" Height="50"/>
                                        <Button Background="WhiteSmoke" Style="{StaticResource MaterialDesignPaperButton}" Click="Button_Click_5" Content="Популяция рыб" FontSize="30" Margin="20,10,20,0" BorderBrush="WhiteSmoke" BorderThickness="2" HorizontalAlignment="Center" Width="380" Height="50"/>
                                    </StackPanel>
                                </Grid>
                            </Border>
                        </StackPanel>
                    </ScrollViewer>
                </StackPanel>
                <Frame x:Name="Framechik" Margin="15,30,0,10" Cursor="Hand" NavigationUIVisibility="Hidden"  HorizontalAlignment="Left" Width="950" Navigated="Framechik_Navigated" Grid.ColumnSpan="2" />
            </Grid>
        </Border>
    </Border>
</Window>