WPF图片局部放大（zoom方法预览）

类似淘宝查看图片局部放大图

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

namespace SilerlightZoom
{
    public partial class App : Application
    {

        public App（）
        {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.Application_UnhandledException;

            InitializeComponent（）;
        }

        private void Application_Startup（object sender StartupEventArgs e）
        {
            this.RootVisual = new MainPage（）;
        }

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        297  2013-11-13 14:27  WpfZoom\SilerlightZoom\App.xaml

     文件       2354  2013-11-13 14:27  WpfZoom\SilerlightZoom\App.xaml.cs

     文件        365  2013-11-13 14:33  WpfZoom\SilerlightZoom\Bin\Debug\AppManifest.xaml

     文件     306176  2013-11-13 14:40  WpfZoom\SilerlightZoom\Bin\Debug\SilerlightZoom.dll

     文件      26112  2013-11-13 14:40  WpfZoom\SilerlightZoom\Bin\Debug\SilerlightZoom.pdb

     文件     300794  2013-11-13 14:40  WpfZoom\SilerlightZoom\Bin\Debug\SilerlightZoom.xap

     文件       2849  2013-11-13 14:40  WpfZoom\SilerlightZoom\Bin\Debug\SilerlightZoomTestPage.html

     文件     295630  2013-11-13 14:28  WpfZoom\SilerlightZoom\Images\dog.jpg

     文件       1403  2013-11-13 14:28  WpfZoom\SilerlightZoom\MainPage.xaml

     文件       4597  2013-11-13 14:34  WpfZoom\SilerlightZoom\MainPage.xaml.cs

     文件       1841  2013-11-13 14:27  WpfZoom\SilerlightZoom\obj\Debug\App.g.cs

     文件       1841  2013-11-13 14:27  WpfZoom\SilerlightZoom\obj\Debug\App.g.i.cs

     文件       4626  2013-11-13 14:30  WpfZoom\SilerlightZoom\obj\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       5661  2013-11-13 14:40  WpfZoom\SilerlightZoom\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       2664  2013-11-13 14:28  WpfZoom\SilerlightZoom\obj\Debug\MainPage.g.cs

     文件       2664  2013-11-13 14:28  WpfZoom\SilerlightZoom\obj\Debug\MainPage.g.i.cs

     文件       1322  2013-11-13 14:33  WpfZoom\SilerlightZoom\obj\Debug\SilerlightZoom.csproj.FileListAbsolute.txt

     文件     306176  2013-11-13 14:40  WpfZoom\SilerlightZoom\obj\Debug\SilerlightZoom.dll

     文件     297634  2013-11-13 14:33  WpfZoom\SilerlightZoom\obj\Debug\SilerlightZoom.g.resources

     文件      26112  2013-11-13 14:40  WpfZoom\SilerlightZoom\obj\Debug\SilerlightZoom.pdb

     文件        630  2013-11-13 14:40  WpfZoom\SilerlightZoom\obj\Debug\XapCacheFile.xml

     文件        207  2013-11-13 14:27  WpfZoom\SilerlightZoom\Properties\AppManifest.xml

     文件       1342  2013-11-13 14:27  WpfZoom\SilerlightZoom\Properties\AssemblyInfo.cs

     文件       4880  2013-11-13 14:30  WpfZoom\SilerlightZoom\SilerlightZoom.csproj

     文件       1142  2013-11-13 14:30  WpfZoom\SilerlightZoom\SilerlightZoom.csproj.user

     文件        318  2013-11-13 09:53  WpfZoom\WpfZoom\App.xaml

     文件        303  2013-11-13 09:53  WpfZoom\WpfZoom\App.xaml.cs

     文件     307200  2013-11-13 15:02  WpfZoom\WpfZoom\bin\Debug\WpfZoom.exe

     文件      30208  2013-11-13 15:02  WpfZoom\WpfZoom\bin\Debug\WpfZoom.pdb

     文件      11600  2013-11-13 15:02  WpfZoom\WpfZoom\bin\Debug\WpfZoom.vshost.exe

............此处省略52个文件信息