WPF C# Tutorial

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     Title="Simple XAMl Viewer" Height="338" Width="1041" 
    Loaded="Window_Loaded" Closed="Window_Closed" WindowStartupLocation="CenterScreen" >
  
                  Content ="View Xaml" Click="btnViewXaml_Click" />
           BorderBrush ="Blue" VerticalScrollBarVisibility="Auto" AcceptsTab="True" TextDecorations="None">
    
  

//File:Window.xaml.cs
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;
using System.IO;
using System.Windows.Markup;
namespace WpfApplication1
{
  public partial class MainWindow : Window
  {
    public MainWindow()
    {
      InitializeComponent();
    }
    private void btnViewXaml_Click(object sender, RoutedEventArgs e)
    {
      File.WriteAllText("YourXaml.xaml", txtXamlData.Text);
      Window myWindow = null;
      try
      {
        using (Stream sr = File.Open("YourXaml.xaml", FileMode.Open))
        {
          myWindow = (Window)XamlReader.Load(sr);
          myWindow.ShowDialog();
        }
      }
      catch (Exception ex)
      { MessageBox.Show(ex.Message); }
    }
    private void Window_Loaded(object sender, RoutedEventArgs e)
    {
        txtXamlData.Text =
        "        + "/winfx/2006/xaml/presentation\"\n"
        + "xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\""
        + " Height =\"400\" Width =\"500\" WindowStartupLocation=\"CenterScreen\">\n"
        + "\n"
        + "
\n"
        + "";
    }
    private void Window_Closed(object sender, EventArgs e)
    {
      File.WriteAllText("YourXaml.xaml", txtXamlData.Text);
    }
  }
}