C#注册表的读，写，删除，查找
using system;
using system.collections;
using system.configuration;
using system.data;
using system.web;
using system.web.security;
using system.web.ui;
using system.web.ui.htmlcontrols;
using system.web.ui.webcontrols;
using system.web.ui.webcontrols.webparts;
using microsoft.win32;
public partial class register : system.web.ui.page
{
protected void page_load(object sender, eventargs e)
{
response.write("这里是读取到的信息"+"<br/>");
readregedit();
response.write("<br/>");
response.write("这里将要写入信息swort/swort-test" + "<br/>");
writeregedit();
response.write("写入结束" + "<br/>"); V];Eg. 4(Uy*Z= [ 本 资 料 来 源 于 贵 州 学 习 网 网络编程.Net教程 http://Www.gzU521.com ] V];Eg. 4(Uy*Z=
response.write("查看存在与否" + "<br/>");
existsregedit();
response.write("查看结束" + "<br/>");
response.write("删除" + "<br/>");
deleteregedit();
response.write("删除结束" + "<br/>");
response.write("查看存在与否" + "<br/>");
existsregedit();
response.write("查看结束" + "<br/>");
}
/// <summary>
/// 注册表的读取
/// </summary>
/// <returns></returns>
public void readregedit()
{
registrykey rk = registry.currentuser;
registrykey software = rk.opensubkey("software");
registrykey microsoft = software.opensubkey("microsoft");
registrykey windows = microsoft.opensubkey("windows");
registrykey current = windows.opensubkey("currentversion");
registrykey explorer = current.opensubkey("explorer");
registrykey shell = explorer.opensubkey(@"shell folders");
foreach (string b in shell.getvaluenames())//这里用shell.getvaluenames()不是shell.getsubkeynames()
{
response.write( b+" "+ shell.getvalue(b).tostring());
response.write("<br/>");
}
}
/// <summary>
/// 注册表的写入
/// </summary>
/// <returns></returns>
public bool writeregedit()
{
try
{
registrykey rk = registry.currentuser;
registrykey software = rk.opensubkey("software");
registrykey microsoft = software.opensubkey("microsoft");
registrykey windows = microsoft.opensubkey("windows");
registrykey current = windows.opensubkey("currentversion");
registrykey explorer = current.opensubkey("explorer");
registrykey shell = explorer.opensubkey(@"shell folders", true);//这里必须加true就是得到写入权限
registrykey key = shell.createsubkey("swort");//创建swort目录
key.setvalue("swort", "test");
//在swort目录下建立写入swort test
response.write("写入成功！！！！！！！！！");
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 注册表的删除
/// </summary>
/// <returns></returns>
public bool deleteregedit()
{
try
{
registrykey rk = registry.currentuser;
registrykey software = rk.opensubkey("software");
registrykey microsoft = software.opensubkey("microsoft");
registrykey windows = microsoft.opensubkey("windows");
registrykey current = windows.opensubkey("currentversion");
registrykey explorer = current.opensubkey("explorer");
registrykey shell = explorer.opensubkey(@"shell folders",true);
registrykey swort = shell.opensubkey("swort",true);//这里必须加true就是得到写入权限
swort.deletevalue("swort");//删除swort的值 这个连键值一起删除了 剩下一个
shell.deletesubkey("swort",false);//删除swort这个目录 要删除这个目录 必须具有权限
response.write("删除成功！！！！！！！！！");
return true;
}
catch
{
return false;
}
return true;
}
/// <summary>
/// 查询某个键值是否存在
/// </summary>
/// <returns></returns>
public bool existsregedit()
{
registrykey rk = registry.currentuser;
registrykey software = rk.opensubkey("software");
registrykey microsoft = software.opensubkey("microsoft");
registrykey windows = microsoft.opensubkey("windows");
registrykey current = windows.opensubkey("currentversion");
registrykey explorer = current.opensubkey("explorer");
registrykey shell = explorer.opensubkey(@"shell folders");
if (shell.subkeycount != 0)
{
registrykey swort = shell.opensubkey("swort");
foreach (string b in swort.getvaluenames())
{
if (b == "swort")
{
response.write("存在这个键！");
return true;
}
}
response.write("不存在这个键！");
return false;
}
else
{ response.write("不存在这个键！");
return false;
}
}
}
本文来自学习网(www.gzu521.com)，原文地址：http://www.gzu521.com/campus/article/program/200809/176006.htm
