Lab13/OpenAndSaveDialogFile/Navigate.xaml

<Window x:Class="OpenAndSaveDialogFile.Navigate"
        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:OpenAndSaveDialogFile"
        mc:Ignorable="d"
        Title="Navigate" Height="400" Width="400" WindowStartupLocation="CenterScreen">
    <Grid>
        <Border CornerRadius="20" Background="LightGray" Margin="15">
            <Border.Effect>
                <DropShadowEffect BlurRadius="10" ShadowDepth="0" Opacity="50"/>
            </Border.Effect>
            <Grid>
                <Grid.RowDefinitions>
                    <RowDefinition Height="150*"/>
                    <RowDefinition Height="130*"/>
                </Grid.RowDefinitions>
                <Border Grid.Row="0" HorizontalAlignment="Center" Background="GhostWhite" VerticalAlignment="Center" CornerRadius="20">
                    <Border.Effect>
                        <DropShadowEffect BlurRadius="5" ShadowDepth="0" Opacity="50"/>
                    </Border.Effect>
                    <TextBlock Text="Анкетирование" HorizontalAlignment="Center" TextWrapping="Wrap" Margin="30" FontSize="20"/>
                </Border>
                <StackPanel Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center" Width="230">
                    <Button Content="Открыть" Click="btnNavigate_Click" Margin="5" Height="40" FontSize="20"/>
                </StackPanel>
            </Grid>
        </Border>
    </Grid>
</Window>