public void NavigatedFrom(object sender, StyleNavigationEventArgs e)
		{
			OnNavigatedFrom(sender, e);
		}
		protected virtual void OnNavigatedFrom(object sender, StyleNavigationEventArgs e)
		{
		}
		public void NavigatedTo(object sender, StyleNavigationEventArgs e)
		{
			NavigationParameter = e.Parameter;

			OnNavigatedTo(sender, e);
		}