wpf 图片查看器源码（支持浏览/裁剪/黑白图片）

using System;
using System.Collections.Generic;
using System.Text;

using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;

namespace SDKSamples.ImageSample
{
    // Adorner based on the ResizingAdorner in the SDK sample
    public class CroppingAdorner : Adorner
    {
        // Cropping adorner uses Thumbs for visual elements.  
        // The Thumbs have built-in mouse input handling.
        Thumb topLeft topRight bottomLeft bottomRight;

        // To store and manage the adorner‘s visual children.
        VisualCollection visualChildren;

        // Initialize the CroppingAdorner.
        public CroppingAdorner（UIElement adornedEle

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2007-12-05 22:44  csharp\
     文件        8663  2007-10-30 03:14  csharp\adorner.cs
     文件         445  2007-10-30 03:14  csharp\app.xaml
     文件         580  2007-10-30 03:14  csharp\app.xaml.cs
     文件        5331  2007-10-30 03:14  csharp\converters.cs
     文件       13355  2007-10-30 03:14  csharp\data.cs
     目录           0  2007-12-05 22:44  csharp\images\
     文件       49370  2007-10-30 03:14  csharp\images\market 031.jpg
     文件       44279  2007-10-30 03:14  csharp\images\market 032.jpg
     文件       65481  2007-10-30 03:14  csharp\images\market 034.jpg
     文件       55765  2007-10-30 03:14  csharp\images\market 039.jpg
     文件       35239  2007-10-30 03:14  csharp\images\market 040.jpg
     文件       10926  2007-10-30 03:14  csharp\mainwindow.xaml
     文件        1261  2007-10-30 03:14  csharp\mainwindow.xaml.cs
     文件         180  2007-10-30 03:16  csharp\mssccprj.scc
     文件        3284  2007-10-30 03:14  csharp\photoapp.csproj
     文件        1642  2007-10-30 03:14  csharp\photoview.xaml
     文件        1990  2007-10-30 03:14  csharp\photoview.xaml.cs
     目录           0  2007-12-06 00:51  metadata\
     文件        6326  2007-12-11 14:59  readme.htm