private void btOut_Click(object sender, System.Windows.RoutedEventArgs e)
{
this.Visibility = Visibility.Collapsed;
MainPage rootPage = Application.Current.RootVisual as MainPage;
rootPage.LayoutRoot.Children.Clear();
Home home = new Home();
rootPage.LayoutRoot.Children.Add(home);
}
private void Contactimage_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
MainPage rootPage = Application.Current.RootVisual as MainPage;
rootPage.LayoutRoot.Children.Clear();
Home home = new Home();
home.ContentBorder.Children.Add(new Aboutus());
rootPage.LayoutRoot.Children.Add(home);
}