Cafe/ProjectCafe/MainWindow.xaml

<Window x:Class="ProjectCafe.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:ProjectCafe"
        mc:Ignorable="d"
        Title="Кафе" Height="450" Width="800">
    <Grid>
        <Frame Name="Frame" HorizontalAlignment="Left" Height="399" Margin="10,10,0,0" VerticalAlignment="Top" Width="772"/>

    </Grid>
</Window>