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30.4.1 注册表
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30.4.1 注册表
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2006-10-13 14:41:00
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<div style='float:left;width:49%'>·<a href='100165772.htm'>30.3.2 读写二进制文件</a></div><div style='float:right;width:49%'>·<a href='100165773.htm'>30.3.3 读写文本文件</a></div><div style='float:left;width:49%'>·<a href='100165774.htm'>30.4 读写注册表</a></div><div style='float:right;width:49%'>·<a href='100165776.htm'>30.4.2 .NET注册表类</a></div><div style='float:left;width:49%'>·<a href='100165777.htm'>30.4.3 SelfPlacingWindow示例</a></div><div style='float:right;width:49%'>·<a href='100165778.htm'>30.5 小结</a></div></div>
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<div id="text"> <link href="css.css" rel="stylesheet" type="text/css" /><h3 style='margin-top:8.15pt;margin-right:0cm;FTEL:8.15pt;margin-left:
0cm'><a FTEL="_Toc507815215"><span lang=EN-US>30.4.1 </span></a><span
style='font-family:黑体'>注册表</span></h3>
<p class=MsoNormal><a FTEL=registry></a><a FTEL=regedit><span style='font-family:
宋体'>注册表的层次结构非常类似于文件系统。查看和修改注册表内容的一般方式是使用</span><span lang=EN-US>regedit</span></a><span
style='font-family:宋体'>或</span><span
lang=EN-US>regedt32</span><span style='font-family:宋体'>。其中，</span><span
lang=EN-US> regedit</span><span style='font-family:宋体'>在所有的</span><span
lang=EN-US>Windows</span><span style='font-family:宋体'>版本中都有，自从</span><span
lang=EN-US>Windows 95</span><span style='font-family:宋体'>开始就是标准版本了，而</span><span
lang=EN-US>regedt32</span><span style='font-family:宋体'>则在</span><span
lang=EN-US>Windows NT </span><span style='font-family:宋体'>和</span><span
lang=EN-US> Windows 2000</span><span style='font-family:宋体'>中才有，其用户友好性不如</span><span
lang=EN-US>regedit</span><span style='font-family:宋体'>，但可以访问</span><span
lang=EN-US>regedit</span><span style='font-family:宋体'>不能访问的安全性信息。</span><span
lang=EN-US>Windows Server 2003</span><span style='font-family:宋体'>把</span><span
lang=EN-US>regedit</span><span style='font-family:宋体'>和</span><span lang=EN-US>regedt32</span><span
style='font-family:宋体'>合并为一个新的编辑器</span><span lang=EN-US>regedit</span><span
style='font-family:宋体'>。这里只讨论</span><span lang=EN-US>Windows XP Professional</span><span
style='font-family:宋体'>的</span><span lang=EN-US>regedit</span><span
style='font-family:宋体'>，在</span><span lang=EN-US>Run…</span><span
style='font-family:宋体'>对话框或命令行提示符中键入</span><span lang=EN-US>regedit</span><span
style='font-family:宋体'>，即可运行它。</span></p>
<p class=MsoNormal><span style='font-family:宋体'>运行</span><span lang=EN-US>regedit</span><span
style='font-family:宋体'>后，得到屏幕图</span><span lang=EN-US>30-11</span><span
style='font-family:宋体'>。</span></p>
<p class=MsoNormal align=center style='text-align:center'><span lang=EN-US><img
width=433 height=163 src="30/image012.jpg"></span></p>
<p align=center style='FTEL:8.15pt'><span style='font-family:宋体'>图</span><span
lang=EN-US> 30-11</span></p>
<p class=MsoNormal><span lang=EN-US>regedit</span><span style='font-family:
宋体'>的树形视图</span><span lang=EN-US>/</span><span style='font-family:宋体'>列表视图风格的用户界面非常类似于</span><span
lang=EN-US>Windows Explorer</span><span style='font-family:宋体'>，与注册表本身的层次结构相匹配。但它们是有一些区别的。</span></p>
<p class=MsoNormal><span style='font-family:宋体'>在文件系统中，最上面的节点是磁盘的分区</span><span
lang=EN-US>C:\</span><span style='font-family:宋体'>、</span><span lang=EN-US>D:\</span><span
style='font-family:宋体'>等。在注册表中，最上面的节点是注册表巢</span><span lang=EN-US>(registry
hive)</span><span style='font-family:宋体'>，它们的位置是不能改变的<span style='letter-spacing:
-1.0pt'>——</span></span><span style='letter-spacing:-1.0pt'> </span><span
style='font-family:宋体'>它们是固定的，有</span><span lang=EN-US>7</span><span
style='font-family:宋体'>个注册表巢</span><span lang=EN-US>(</span><span
style='font-family:宋体'>但使用</span><span lang=EN-US>regedit</span><span
style='font-family:宋体'>只能看到其中的</span><span lang=EN-US>5</span><span
style='font-family:宋体'>个</span><span lang=EN-US>)</span><span style='font-family:
宋体'>：</span></p>
<p class=1 style='margin-left:37.55pt;FTEL:-16.1pt'><span lang=EN-US>●<span
style='font:7.0pt "Times New Roman"'> </span></span><span
lang=EN-US>HKEY_CLASSES_ROOT (HKCR) </span><span style='font-family:宋体'>包含系统上文件类型的细节</span><span
lang=EN-US>(.txt</span><span style='font-family:宋体'>、</span><span lang=EN-US>.doc
</span><span style='font-family:宋体'>等</span><span lang=EN-US>)</span><span
style='font-family:宋体'>，以及应用程序可以打开的文件类型。它还包含所有</span><span lang=EN-US>COM</span><span
style='font-family:宋体'>组件的注册信息</span><span lang=EN-US>(</span><span
style='font-family:宋体'>后者通常是注册表中最大的一个区域，因为目前的</span><span lang=EN-US>Windows</span><span
style='font-family:宋体'>带有非常多的</span><span lang=EN-US>COM</span><span
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