AuthorizationKomadin/Pages/CustomerMenu.xaml

<Page x:Class="AuthorizationKomadin.Pages.Page3"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
      xmlns:local="clr-namespace:AuthorizationKomadin.Pages"
      mc:Ignorable="d" 
      d:DesignHeight="450" d:DesignWidth="800"
      Title="CustomerMenu">

    <Grid Background="White">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="257"/>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="*"/>
            <RowDefinition Height="70"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Button Content="Переход 1" Grid.Column="1" HorizontalAlignment="Left" Grid.Row="1" VerticalAlignment="Top" Width="257" RenderTransformOrigin="0.483,0.983" Height="24" Click="Button_Page1_OnClick"/>
        <Button Content="Переход 2"  Click="Button_Page2_OnClick" Grid.Column="1" HorizontalAlignment="Left" Margin="0,29,0,0" Grid.Row="1" VerticalAlignment="Top" Width="257" RenderTransformOrigin="0.361,0.804"/>
        <Button Content="Переход 3"  Click="Button_Page3_OnClick" Grid.Column="1" HorizontalAlignment="Left" Margin="0,52,0,0" Grid.Row="1" VerticalAlignment="Top" Width="257" RenderTransformOrigin="-0.096,1.083"/>

    </Grid>
</Page>