C#GDI及功能扩展

using System;
using System.Collections.Generic;
using System.Text;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
using System.Runtime.InteropServices;


namespace DrawDragRect
{
    public class CDrawDragRect : Form
    {
        Point ptNew;
        Point ptTmpStart;
        Point ptStart;
        Rectangle rcDrawDrag;
        int nBroderSize;
        public Rectangle rcOld rcNew;
        Region rgnDiff;
        Region rgnDiffOld;
        Region rgnOld rgnNew;
        Rectangle rcTmp;
        public const uint PATINVERT = （uint）0x005A0049; /* dest = pattern XOR dest         */
        public const uint BLACKNESS = （uint）0x00000042; /* dest = BLACK                    */
        

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

     文件       5281  2007-11-27 15:01  DrawDragRect\CDrawDragRect.cs

     文件        862  2007-05-11 15:36  DrawDragRect\ChildFrm.cs

     文件       1175  2007-05-11 15:34  DrawDragRect\ChildFrm.Designer.cs

     文件       3612  2007-11-26 16:56  DrawDragRect\DrawDragRect.csproj

     文件        912  2007-05-11 14:19  DrawDragRect\DrawDragRect.sln

    ..A..H.     12800  2008-01-22 11:31  DrawDragRect\DrawDragRect.suo

     文件       1078  2007-11-26 15:47  DrawDragRect\Icon1.ico

     文件       7349  2007-11-27 15:27  DrawDragRect\MainForm.cs

     文件       1483  2007-11-26 15:32  DrawDragRect\MainForm.Designer.cs

     文件       5814  2007-11-26 15:32  DrawDragRect\MainForm.resx

     文件        845  2008-01-22 11:19  DrawDragRect\obj\Debug\DrawDragRect.csproj.GenerateResource.Cache

     文件      28672  2008-01-22 11:19  DrawDragRect\obj\Debug\DrawDragRect.exe

     文件       1078  2007-11-26 15:47  DrawDragRect\obj\Debug\DrawDragRect.Icon1.ico

     文件        180  2008-01-22 11:19  DrawDragRect\obj\Debug\DrawDragRect.MainForm.resources

     文件      34304  2008-01-22 11:19  DrawDragRect\obj\Debug\DrawDragRect.pdb

     文件        180  2008-01-22 11:19  DrawDragRect\obj\Debug\DrawDragRect.Properties.Resources.resources

     文件        340  2008-01-22 11:24  DrawDragRect\obj\DrawDragRect.csproj.FileList.txt

     文件        486  2007-05-11 14:27  DrawDragRect\ProgramMain.cs

     文件       1326  2007-05-11 14:19  DrawDragRect\Properties\AssemblyInfo.cs

     文件       2851  2007-05-11 14:19  DrawDragRect\Properties\Resources.Designer.cs

     文件       5612  2007-05-11 14:19  DrawDragRect\Properties\Resources.resx

     文件       1095  2007-05-11 14:19  DrawDragRect\Properties\Settings.Designer.cs

     文件        249  2007-05-11 14:19  DrawDragRect\Properties\Settings.settings

     目录          0  2008-01-22 11:19  DrawDragRect\obj\Debug\TempPE

     目录          0  2008-01-22 11:19  DrawDragRect\obj\Debug

     目录          0  2008-01-22 11:54  DrawDragRect\bin

     目录          0  2008-01-22 11:19  DrawDragRect\obj

     目录          0  2007-11-26 15:11  DrawDragRect\Properties

     目录          0  2008-01-22 11:24  DrawDragRect

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............此处省略2个文件信息