savelev_avt/MainWindow.xaml

<Window x:Class="savelev_avtor.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:savelev_avtor"
        mc:Ignorable="d"
        Title="MainWindow" Height="450.186" Width="821.655">
    <Grid RenderTransformOrigin="0.484,0.497">
        <Grid.RowDefinitions>
            <RowDefinition Height="111*"/>
            <RowDefinition Height="235*"/>
            <RowDefinition Height="111*"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="222*"/>
            <ColumnDefinition Width="295*"/>
            <ColumnDefinition Width="222*"/>
        </Grid.ColumnDefinitions>
        <Grid HorizontalAlignment="Left" Height="100" Margin="190,85,0,0" VerticalAlignment="Top" Width="100" RenderTransformOrigin="0.305,0.706" Grid.Column="1" Grid.Row="1"/>

    </Grid>
</Window>