using PageSample.SubPage; using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace PageSample { /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { private Page1 _p1; private Page2 _p2; public MainWindow() { InitializeComponent(); _p1 = new Page1(); _p2 = new Page2(); } private void btnPage1_Click(object sender, RoutedEventArgs e) { frmMain.Content = _p1; } private void btnPage2_Click(object sender, RoutedEventArgs e) { frmMain.Content = _p2; } } }