Remove control box of Paged WPF applications

• Get the instance of the current Window from Application.Current and remove it's Control box by setting WindowStyle=None.
  
  public partial class Page1 : System.Windows.Controls.Page
  {
  public Page1()
  {
  
  this.Loaded += new RoutedEventHandler(Page1_Loaded);
  InitializeComponent();
  }
  
  void Page1_Loaded(object sender, RoutedEventArgs e)
  {
  Application.Current.MainWindow.WindowStyle = WindowStyle.None;
  }
  
  }
  
  Application.Current.MainWindow will be initialized only in Loaded event of Page
  
• 
  <Application.Resources>
  <Style TargetType ="{x:Type NavigationWindow}">
  <Setter Property ="WindowStyle" Value="None"/>
  </Style>
  </Application.Resources>