WPF中动态加载XAML中的控件

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.Xml;
using System.Windows.Markup;

/*
 * 功能：测试WPF中动态加载XAML中的控件
 *       并加到指定的子节点中。
 * 作者：Kagula
 * 时间：2012-09-20
 * 环境：VS2008 .NET FRAMEWORK 3.5 
 * 参考资料：[1]《Application=Code+Markup 读书笔记 19》
 *                http://space.itpub.net/15123181/viewspace-423015
 *           [2]《Pack URIs in Windows Presentation Foundation》
 *                http://technet.microsoft.com/en-US/library/aa970069 (v=vs.90)
  */
namespace testXAMLLoad
{
     ///   <summary>
     ///  Interaction logic for Window1.xaml
     ///   </summary>
     public  partial  class Window1 : Window
    {
         public Window1()
        {
            InitializeComponent();

             // LoadEmbeddedXaml();
             // LoadEmbeddedXaml2();
            LoadEmbeddedXaml3();
        }

         // 从字符串中加载
         public  void LoadEmbeddedXaml() 
        { 
            Title =  " Load Embedded Xaml ";
             string strXaml =  " <Button xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' " + 
                 "  Foreground='LightSeaGreen' FontSize='16pt' Width='128' Height='32'> " + 
                 "  From String Object!</Button> "; 
            StringReader strreader =  new  StringReader(strXaml); 
            XmlTextReader xmlreader =  new  XmlTextReader(strreader);
             object obj = XamlReader.Load(xmlreader);
            grid1.Children.Add((UIElement)obj);
        }

         // 从外部文件中加载 Button控件
         public  void LoadEmbeddedXaml2()
        {
            XmlTextReader xmlreader =  new XmlTextReader( " d:\\a.xaml ");
            UIElement obj = XamlReader.Load(xmlreader)  as UIElement;
            grid1.Children.Add((UIElement)obj);
        }

         // 从资源文件中加载
         public  void LoadEmbeddedXaml3()
        {
             // Build Action = Resource,Do not Copy,无相应cs文件
            Uri uri =  new Uri( " /LoadXamlResource.xaml ",UriKind.Relative);
            Stream stream =Application.GetResourceStream(uri).Stream;
             // FrameworkElement继承自UIElement
            FrameworkElement obj =XamlReader.Load(stream)  as FrameworkElement;
            grid1.Children.Add(obj);
        }
    } 
}

< Button  xmlns ='http://schemas.microsoft.com/winfx/2006/xaml/presentation'      Foreground ='LightSeaGreen' 
     FontSize ='16pt' 
     Width ='128' 
     Height ='32' >
    From File Object!
</ Button >