C#实现图片的剪切功能

实现图片的剪切，截图等功能。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
namespace ImageClassLib
{
    public class ImageCut
    {
        /// 
 
        /// 缩放 -- 用GDI+ ，定义缩放图片方法，返回值为位图Bitmap
	    /// 
 
	    /// 原始Bitmap 
	    /// 开始坐标X 
	    /// 开始坐标Y 
	    /// 宽度 
	    /// 高度 
	    /// 缩放后的Bitmap 
	    public Bitmap KiCut（Bitmap b） 
	    { 
	        if （b == null） 
	        { 
	            return null; 
	        } 
	   
	        int w = b.Width; 
	        int h = b.Height; 
	   
	       

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

     文件       5632  2013-07-30 17:39  图片剪切拼接2-7-31\ImageClassLib\bin\Debug\ImageClassLib.dll

     文件      15872  2013-07-30 17:39  图片剪切拼接2-7-31\ImageClassLib\bin\Debug\ImageClassLib.pdb

     文件       2400  2013-07-29 09:16  图片剪切拼接2-7-31\ImageClassLib\ImageClassLib.csproj

     文件       2688  2013-07-29 09:16  图片剪切拼接2-7-31\ImageClassLib\ImageCut.cs

     文件       3192  2013-07-29 09:16  图片剪切拼接2-7-31\ImageClassLib\ImageCut1.cs

     文件       6523  2013-07-31 09:43  图片剪切拼接2-7-31\ImageClassLib\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       5659  2013-07-31 09:51  图片剪切拼接2-7-31\ImageClassLib\obj\Debug\ImageClassLib.csproj.FileListAbsolute.txt

     文件       1902  2013-07-31 09:51  图片剪切拼接2-7-31\ImageClassLib\obj\Debug\ImageClassLib.csprojResolveAssemblyReference.cache

     文件       5632  2013-07-30 17:39  图片剪切拼接2-7-31\ImageClassLib\obj\Debug\ImageClassLib.dll

     文件      15872  2013-07-30 17:39  图片剪切拼接2-7-31\ImageClassLib\obj\Debug\ImageClassLib.pdb

     文件       1382  2013-07-29 09:16  图片剪切拼接2-7-31\ImageClassLib\Properties\AssemblyInfo.cs

     文件         81  2013-07-29 09:16  图片剪切拼接2-7-31\ImageShear\App.config

     文件       5632  2013-07-30 17:39  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageClassLib.dll

     文件      15872  2013-07-30 17:39  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageClassLib.pdb

     文件      43520  2013-07-31 10:57  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageShear.exe

     文件         81  2013-07-29 09:16  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageShear.exe.config

     文件      97792  2013-07-31 10:57  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageShear.pdb

     文件      22984  2013-07-31 11:54  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageShear.vshost.exe

     文件         81  2013-07-29 09:16  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageShear.vshost.exe.config

     文件        490  2012-06-06 02:06  图片剪切拼接2-7-31\ImageShear\bin\Debug\ImageShear.vshost.exe.manifest

     文件      89121  2013-07-29 09:16  图片剪切拼接2-7-31\ImageShear\bin\Debug\temp.jpg

     文件     275658  2013-07-29 09:16  图片剪切拼接2-7-31\ImageShear\bin\Debug\temp1.jpg

     文件     355226  2013-07-31 10:05  图片剪切拼接2-7-31\ImageShear\bin\Debug.rar

     文件       7044  2013-07-29 17:25  图片剪切拼接2-7-31\ImageShear\FMDragPictureBox.cs

     文件      10414  2013-07-29 16:15  图片剪切拼接2-7-31\ImageShear\FMDragPictureBox.Designer.cs

     文件       6020  2013-07-29 16:15  图片剪切拼接2-7-31\ImageShear\FMDragPictureBox.resx

     文件       5728  2013-07-30 17:06  图片剪切拼接2-7-31\ImageShear\ImageShear.csproj

     文件      13767  2013-07-29 12:46  图片剪切拼接2-7-31\ImageShear\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       7425  2013-07-31 09:43  图片剪切拼接2-7-31\ImageShear\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       1710  2013-07-29 09:16  图片剪切拼接2-7-31\ImageShear\obj\x86\Debug\GenerateResource.read.1.tlog

............此处省略65个文件信息