C#注册表的读，写，删除，查找,
以下是代码片段：
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/>");
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;
}
}
} | |
