WPF - Uses MainWindow.xaml as source. Allows for page navigation. All pages are hosted in a window. App.xaml uses as StartupUri. Used for event listening.

NavigationWindow.xaml

namespace RegistrationKiosk
{
	/// <summary>
	/// Interaction logic for NavWindow.xaml
	/// </summary>
	public partial class NavWindow : System.Windows.Navigation.NavigationWindow, INotifyPropertyChanged
	{
		public NavWindow()
		{
			InitializeComponent();
		}

		public event PropertyChangedEventHandler PropertyChanged;

		protected override void OnPropertyChanged(DependencyPropertyChangedEventArgs e)
		{
			base.OnPropertyChanged(e);
		}
	}
}

<NavigationWindow x:Class="RegistrationKiosk.NavWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Welcome" 
        Height="{Binding SystemParameters.PrimaryScreenHeight }" 
        Width="{Binding SystemParameters.PrimaryScreenWidth}" 
        Source="MainWindow.xaml">
        
</NavigationWindow>