画图工具源代码，有注释

#region Using directives

using System;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;
using System.Globalization;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using Microsoft.Win32;
using System.Security;

#endregion

// Using: in the end of this file.

namespace DocToolkit
{
    #region Class DocManager

    /// 

    /// Document manager. Makes file-related operations:
    /// open new save updating of the form title 
    /// registering of file type for Windows Shell.
    /// Built using the article:
    /// Creating Document-Centric Applications in Windows Forms
    /// by Chris Sells
    /// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnforms/html/winforms0

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

     文件      28000  2007-01-12 16:46  DrawTools2005\Backup\DocToolkit\DocManager.cs

     文件       2191  2007-01-12 16:52  DrawTools2005\Backup\DocToolkit\DocToolkit.csproj

     文件       3941  2007-01-12 16:50  DrawTools2005\Backup\DocToolkit\DragDropManager.cs

     文件      16590  2007-01-12 16:47  DrawTools2005\Backup\DocToolkit\MruManager.cs

     文件       6401  2007-01-12 16:52  DrawTools2005\Backup\DocToolkit\PersistWindowState.cs

     文件       1393  2007-01-12 16:44  DrawTools2005\Backup\DocToolkit\Properties\AssemblyInfo.cs

     文件        904  2007-01-20 20:50  DrawTools2005\Backup\DrawTools\Command.cs

     文件        766  2007-01-13 19:21  DrawTools2005\Backup\DrawTools\CommandAdd.cs

     文件       2399  2007-01-16 21:48  DrawTools2005\Backup\DrawTools\CommandChangeState.cs

     文件       1700  2007-01-16 21:32  DrawTools2005\Backup\DrawTools\CommandDelete.cs

     文件       1245  2007-01-16 21:32  DrawTools2005\Backup\DrawTools\CommandDeleteAll.cs

     文件      10149  2007-01-20 09:31  DrawTools2005\Backup\DrawTools\DrawArea.cs

     文件       1761  2007-01-13 17:36  DrawTools2005\Backup\DrawTools\DrawArea.Designer.cs

     文件       5814  2007-01-13 10:26  DrawTools2005\Backup\DrawTools\DrawArea.resx

     文件       1033  2007-01-14 20:22  DrawTools2005\Backup\DrawTools\DrawEllipse.cs

     文件       7237  2007-01-14 20:22  DrawTools2005\Backup\DrawTools\DrawLine.cs

     文件       9054  2007-01-14 21:08  DrawTools2005\Backup\DrawTools\Drawobject.cs

     文件       6625  2007-01-14 20:21  DrawTools2005\Backup\DrawTools\DrawPolygon.cs

     文件      10248  2007-01-14 20:22  DrawTools2005\Backup\DrawTools\DrawRectangle.cs

     文件       5716  2007-01-16 21:32  DrawTools2005\Backup\DrawTools\DrawTools.csproj

     文件        326  2007-01-13 11:43  DrawTools2005\Backup\DrawTools\Ellipse.cur

     文件        731  2007-01-13 17:37  DrawTools2005\Backup\DrawTools\FrmAbout.cs

     文件       3134  2007-01-13 11:54  DrawTools2005\Backup\DrawTools\FrmAbout.Designer.cs

     文件       7730  2007-01-13 11:54  DrawTools2005\Backup\DrawTools\FrmAbout.resx

     文件      14088  2007-01-19 21:02  DrawTools2005\Backup\DrawTools\GraphicsList.cs

     文件        916  2007-01-13 17:37  DrawTools2005\Backup\DrawTools\GraphicsProperties.cs

     文件        326  2007-01-13 11:43  DrawTools2005\Backup\DrawTools\Line.cur

     文件      23391  2007-01-19 19:59  DrawTools2005\Backup\DrawTools\MainForm.cs

     文件      34882  2007-01-13 12:53  DrawTools2005\Backup\DrawTools\MainForm.Designer.cs

     文件      19693  2007-01-13 12:53  DrawTools2005\Backup\DrawTools\MainForm.resx

............此处省略159个文件信息