using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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 WpfControl1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            System.Windows.Controls.Label L1 = new Label();
            System.Windows.Controls.Label L2 = new Label();
            L1.Content = "Hello World";
            main1.AddChild(L1);
            // FYI Label is not a container control 
            //can't have embedded child controls

        }
    }
}