Implementing Wizard Functionality for Windows Phone 7 Applications

<phone:PhoneApplicationPage 
    x:Class="MVVMSample1.View.DerivedSamplePage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:v="clr-namespace:MVVMSample1.View"
    xmlns:conv="clr-namespace:MVVMSample1.Converters"
    xmlns:i="clr-namespace:System.Windows.Interactivity;assembly=System.Windows.Interactivity"
    xmlns:cmd="clr-namespace:GalaSoft.MvvmLight.Command;assembly=GalaSoft.MvvmLight.Extras.WP7"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    mc:Ignorable="d" d:DesignHeight="768" d:DesignWidth="480"
    shell:SystemTray.IsVisible="True"
    DataContext="{Binding Path=Derived,Source={StaticResource Locator}}"
    >
    <i:Interaction.Triggers>
        <i:EventTrigger EventName="BackKeyPress">
            <cmd:EventToCommand Command="{Binding Path=Wizard.PreviousCommand}"
                                PassEventArgsToCommand="True"/>
        </i:EventTrigger>
    </i:Interaction.Triggers>
        <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Transparent">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <!--TitlePanel contains the name of the application and page title-->
        <StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28">
            <TextBlock x:Name="ApplicationTitle" Text="{Binding AppTitle}" Style="{StaticResource PhoneTextNormalStyle}"/>
            <TextBlock x:Name="PageTitle" Text="{Binding PageTitle}" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/>
        </StackPanel>

        <!--ContentPanel - place additional content here-->
        <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
            <v:DynamicContentControl Content="{Binding Wizard}" Grid.Row="1"
                                     VerticalContentAlignment="Stretch"
                                     HorizontalContentAlignment="Stretch"/>
        </Grid>
    </Grid>

</phone:PhoneApplicationPage>