ToursApp/MainWindow.xaml

<Window x:Class="ToursApp.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:ToursApp"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="94*"/>
            <RowDefinition Height="245*"/>
            <RowDefinition Height="80*"/>
        </Grid.RowDefinitions>
        <Image HorizontalAlignment="Left" Height="94" VerticalAlignment="Top" Width="278" Source="pack://siteoforigin:,,,/Resources/pro_kansk-t_c.png"/>
        <Label Content="Header" HorizontalAlignment="Left" Margin="347,28,0,0" VerticalAlignment="Top" RenderTransformOrigin="-0.357,0.306" Width="96" Height="45" Cursor="None" FontSize="24"/>
        <Grid Background="AliceBlue" Panel.ZIndex="-2">
            <Button x:Name="BtnBack" Content="Back" HorizontalAlignment="Left" Margin="606,36,0,0" VerticalAlignment="Top" Width="127" Height="29" Click="Button_Click"/>
        </Grid>
        <Grid Grid.Row="2" Background="Blue"></Grid>
        <Frame NavigationUIVisibility="Hidden" Grid.Row="1" Name="MainFrame" ContentRendered="MainFrame_ContentRendered" Navigated="MainFrame_Navigated" ></Frame>

    </Grid>
</Window>