public MainWindow()
{
_uc1 = new UC1();
_uc2 = new UC2();
_uc1.RequestChild2 += (s, e) => e.Child = _uc2.Child2;
_uc2.RequestChild1 += (s, e) => e.Child = _uc1.Child1;
}
private void UC2_radiobutton_Checked(object sender, RoutedEventArgs e)
{
DataContext = new UC2();
}
