583 lines
20 KiB
C#
583 lines
20 KiB
C#
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using Microsoft.Win32;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Security;
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using System.Text;
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using System.Threading.Tasks;
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namespace Ramitta.lib
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{
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/// <summary>
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/// 注册表操作类 - 提供完整的注册表增删改查功能
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/// </summary>
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public static class RegistryOperations
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{
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#region 枚举定义
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/// <summary>
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/// 注册表值类型
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/// </summary>
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public enum RegValueKind
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{
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String = 1,
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ExpandString = 2,
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Binary = 3,
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DWord = 4,
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MultiString = 7,
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QWord = 11
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}
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/// <summary>
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/// 注册表根键类型
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/// </summary>
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public enum RegRootKey
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{
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ClassesRoot,
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CurrentUser,
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LocalMachine,
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Users,
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CurrentConfig
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}
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#endregion
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#region 私有方法
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/// <summary>
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/// 解析完整注册表路径
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/// </summary>
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private static (RegRootKey rootKey, string relativePath) ParseFullPath(string fullPath)
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{
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if (string.IsNullOrWhiteSpace(fullPath))
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throw new ArgumentException("注册表路径不能为空");
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string[] parts = fullPath.Split('\\');
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if (parts.Length < 1)
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throw new ArgumentException("无效的注册表路径格式");
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string rootStr = parts[0].ToUpper();
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string relativePath = parts.Length > 1 ? string.Join("\\", parts.Skip(1)) : "";
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return rootStr switch
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{
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"HKEY_CLASSES_ROOT" or "HKCR" => (RegRootKey.ClassesRoot, relativePath),
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"HKEY_CURRENT_USER" or "HKCU" => (RegRootKey.CurrentUser, relativePath),
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"HKEY_LOCAL_MACHINE" or "HKLM" => (RegRootKey.LocalMachine, relativePath),
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"HKEY_USERS" or "HKU" => (RegRootKey.Users, relativePath),
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"HKEY_CURRENT_CONFIG" or "HKCC" => (RegRootKey.CurrentConfig, relativePath),
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_ => throw new ArgumentException($"不支持的注册表根键: {parts[0]}")
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};
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}
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/// <summary>
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/// 获取RegistryKey根键
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/// </summary>
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private static RegistryKey GetRootRegistryKey(RegRootKey rootKey)
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{
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return rootKey switch
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{
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RegRootKey.ClassesRoot => Registry.ClassesRoot,
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RegRootKey.CurrentUser => Registry.CurrentUser,
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RegRootKey.LocalMachine => Registry.LocalMachine,
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RegRootKey.Users => Registry.Users,
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RegRootKey.CurrentConfig => Registry.CurrentConfig,
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_ => throw new ArgumentException($"不支持的根键类型: {rootKey}")
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};
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}
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/// <summary>
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/// 转换值类型
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/// </summary>
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private static RegistryValueKind ToRegistryValueKind(RegValueKind valueKind)
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{
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return valueKind switch
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{
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RegValueKind.String => RegistryValueKind.String,
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RegValueKind.ExpandString => RegistryValueKind.ExpandString,
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RegValueKind.Binary => RegistryValueKind.Binary,
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RegValueKind.DWord => RegistryValueKind.DWord,
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RegValueKind.MultiString => RegistryValueKind.MultiString,
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RegValueKind.QWord => RegistryValueKind.QWord,
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_ => RegistryValueKind.Unknown
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};
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}
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#endregion
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#region 查询操作
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/// <summary>
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/// 检查注册表项是否存在
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/// </summary>
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/// <param name="fullPath">完整注册表路径</param>
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/// <returns>是否存在</returns>
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public static bool KeyExists(string fullPath)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.OpenSubKey(relativePath);
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return key != null;
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// 检查注册表值是否存在
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/// </summary>
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/// <param name="fullPath">完整注册表路径</param>
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/// <param name="valueName">值名称</param>
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/// <returns>是否存在</returns>
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public static bool ValueExists(string fullPath, string valueName)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.OpenSubKey(relativePath);
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return key?.GetValue(valueName) != null;
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// 读取注册表值
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/// </summary>
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/// <param name="fullPath">完整注册表路径</param>
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/// <param name="valueName">值名称</param>
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/// <param name="defaultValue">默认值</param>
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/// <returns>读取到的值，如果不存在返回默认值</returns>
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public static object ReadValue(string fullPath, string valueName, object defaultValue = null)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.OpenSubKey(relativePath);
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return key?.GetValue(valueName, defaultValue) ?? defaultValue;
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}
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catch (SecurityException ex)
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{
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throw new UnauthorizedAccessException($"没有权限读取注册表路径: {fullPath}", ex);
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"读取注册表值时发生错误: {ex.Message}", ex);
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}
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}
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/// <summary>
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/// 读取字符串值
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/// </summary>
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public static string ReadString(string fullPath, string valueName, string defaultValue = "")
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{
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return ReadValue(fullPath, valueName, defaultValue) as string ?? defaultValue;
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}
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/// <summary>
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/// 读取整数值(DWORD)
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/// </summary>
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public static int ReadDWord(string fullPath, string valueName, int defaultValue = 0)
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{
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object value = ReadValue(fullPath, valueName, defaultValue);
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return value is int intValue ? intValue : defaultValue;
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}
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/// <summary>
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/// 读取长整数值(QWORD)
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/// </summary>
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public static long ReadQWord(string fullPath, string valueName, long defaultValue = 0)
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{
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object value = ReadValue(fullPath, valueName, defaultValue);
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return value is long longValue ? longValue : defaultValue;
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}
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/// <summary>
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/// 读取二进制值
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/// </summary>
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public static byte[] ReadBinary(string fullPath, string valueName, byte[] defaultValue = null)
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{
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object value = ReadValue(fullPath, valueName, defaultValue);
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return value as byte[] ?? defaultValue ?? Array.Empty<byte>();
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}
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/// <summary>
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/// 读取多字符串值
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/// </summary>
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public static string[] ReadMultiString(string fullPath, string valueName, string[] defaultValue = null)
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{
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object value = ReadValue(fullPath, valueName, defaultValue);
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return value as string[] ?? defaultValue ?? Array.Empty<string>();
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}
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/// <summary>
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/// 获取所有子键名称
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/// </summary>
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public static string[] GetSubKeyNames(string fullPath)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.OpenSubKey(relativePath);
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return key?.GetSubKeyNames() ?? Array.Empty<string>();
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"获取子键列表失败: {ex.Message}", ex);
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}
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}
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/// <summary>
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/// 获取所有值名称
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/// </summary>
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public static string[] GetValueNames(string fullPath)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.OpenSubKey(relativePath);
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return key?.GetValueNames() ?? Array.Empty<string>();
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"获取值名称列表失败: {ex.Message}", ex);
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}
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}
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/// <summary>
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/// 获取值的数据类型
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/// </summary>
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public static RegValueKind? GetValueKind(string fullPath, string valueName)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.OpenSubKey(relativePath);
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if (key == null) return null;
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RegistryValueKind kind = key.GetValueKind(valueName);
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return (RegValueKind)kind;
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}
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catch
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{
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return null;
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}
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}
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#endregion
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#region 新增操作
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/// <summary>
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/// 创建注册表项
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/// </summary>
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/// <param name="fullPath">完整注册表路径</param>
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/// <returns>是否创建成功</returns>
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public static bool CreateKey(string fullPath)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.CreateSubKey(relativePath);
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return key != null;
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"创建注册表项失败: {ex.Message}", ex);
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}
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}
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/// <summary>
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/// 写入注册表值
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/// </summary>
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/// <param name="fullPath">完整注册表路径</param>
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/// <param name="valueName">值名称</param>
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/// <param name="value">值数据</param>
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/// <param name="valueKind">值类型</param>
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public static void WriteValue(string fullPath, string valueName, object value, RegValueKind valueKind = RegValueKind.String)
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{
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try
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{
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var (rootKey, relativePath) = ParseFullPath(fullPath);
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using RegistryKey root = GetRootRegistryKey(rootKey);
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using RegistryKey key = root.CreateSubKey(relativePath);
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if (key == null)
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throw new InvalidOperationException($"无法创建或打开注册表项: {fullPath}");
|
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RegistryValueKind registryValueKind = ToRegistryValueKind(valueKind);
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key.SetValue(valueName, value, registryValueKind);
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}
|
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catch (SecurityException ex)
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|||
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{
|
|||
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throw new UnauthorizedAccessException($"没有权限写入注册表路径: {fullPath}", ex);
|
|||
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|
}
|
|||
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catch (Exception ex)
|
|||
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{
|
|||
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throw new InvalidOperationException($"写入注册表值时发生错误: {ex.Message}", ex);
|
|||
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}
|
|||
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}
|
|||
|
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|
|||
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/// <summary>
|
|||
|
|
/// 写入字符串值
|
|||
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|
/// </summary>
|
|||
|
|
public static void WriteString(string fullPath, string valueName, string value)
|
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{
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WriteValue(fullPath, valueName, value, RegValueKind.String);
|
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}
|
|||
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|
|||
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/// <summary>
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|||
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/// 写入扩展字符串值
|
|||
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|
/// </summary>
|
|||
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public static void WriteExpandString(string fullPath, string valueName, string value)
|
|||
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{
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|||
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WriteValue(fullPath, valueName, value, RegValueKind.ExpandString);
|
|||
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}
|
|||
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|||
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/// <summary>
|
|||
|
|
/// 写入DWORD值
|
|||
|
|
/// </summary>
|
|||
|
|
public static void WriteDWord(string fullPath, string valueName, int value)
|
|||
|
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{
|
|||
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WriteValue(fullPath, valueName, value, RegValueKind.DWord);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 写入QWORD值
|
|||
|
|
/// </summary>
|
|||
|
|
public static void WriteQWord(string fullPath, string valueName, long value)
|
|||
|
|
{
|
|||
|
|
WriteValue(fullPath, valueName, value, RegValueKind.QWord);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 写入二进制值
|
|||
|
|
/// </summary>
|
|||
|
|
public static void WriteBinary(string fullPath, string valueName, byte[] value)
|
|||
|
|
{
|
|||
|
|
WriteValue(fullPath, valueName, value, RegValueKind.Binary);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 写入多字符串值
|
|||
|
|
/// </summary>
|
|||
|
|
public static void WriteMultiString(string fullPath, string valueName, string[] value)
|
|||
|
|
{
|
|||
|
|
WriteValue(fullPath, valueName, value, RegValueKind.MultiString);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 修改操作
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 重命名注册表值
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="fullPath">完整注册表路径</param>
|
|||
|
|
/// <param name="oldValueName">原值名称</param>
|
|||
|
|
/// <param name="newValueName">新值名称</param>
|
|||
|
|
public static void RenameValue(string fullPath, string oldValueName, string newValueName)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
// 读取原值
|
|||
|
|
object value = ReadValue(fullPath, oldValueName);
|
|||
|
|
RegValueKind? kind = GetValueKind(fullPath, oldValueName);
|
|||
|
|
|
|||
|
|
if (value == null || kind == null)
|
|||
|
|
throw new InvalidOperationException($"原值不存在或无法读取: {oldValueName}");
|
|||
|
|
|
|||
|
|
// 写入新值
|
|||
|
|
WriteValue(fullPath, newValueName, value, kind.Value);
|
|||
|
|
|
|||
|
|
// 删除原值
|
|||
|
|
DeleteValue(fullPath, oldValueName);
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
throw new InvalidOperationException($"重命名注册表值失败: {ex.Message}", ex);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 删除操作
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 删除注册表值
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="fullPath">完整注册表路径</param>
|
|||
|
|
/// <param name="valueName">值名称</param>
|
|||
|
|
/// <returns>是否删除成功</returns>
|
|||
|
|
public static bool DeleteValue(string fullPath, string valueName)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
var (rootKey, relativePath) = ParseFullPath(fullPath);
|
|||
|
|
using RegistryKey root = GetRootRegistryKey(rootKey);
|
|||
|
|
using RegistryKey key = root.OpenSubKey(relativePath, true);
|
|||
|
|
|
|||
|
|
if (key == null) return false;
|
|||
|
|
|
|||
|
|
key.DeleteValue(valueName, false);
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
throw new InvalidOperationException($"删除注册表值失败: {ex.Message}", ex);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 删除注册表项
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="fullPath">完整注册表路径</param>
|
|||
|
|
/// <param name="recursive">是否递归删除所有子项</param>
|
|||
|
|
/// <returns>是否删除成功</returns>
|
|||
|
|
public static bool DeleteKey(string fullPath, bool recursive = true)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
var (rootKey, relativePath) = ParseFullPath(fullPath);
|
|||
|
|
using RegistryKey root = GetRootRegistryKey(rootKey);
|
|||
|
|
|
|||
|
|
if (recursive)
|
|||
|
|
{
|
|||
|
|
root.DeleteSubKeyTree(relativePath, false);
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
root.DeleteSubKey(relativePath, false);
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
throw new InvalidOperationException($"删除注册表项失败: {ex.Message}", ex);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region 高级功能
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 递归获取所有子键
|
|||
|
|
/// </summary>
|
|||
|
|
public static List<string> GetAllSubKeys(string fullPath, int maxDepth = 10)
|
|||
|
|
{
|
|||
|
|
List<string> results = new List<string>();
|
|||
|
|
GetAllSubKeysRecursive(fullPath, results, 0, maxDepth);
|
|||
|
|
return results;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void GetAllSubKeysRecursive(string currentPath, List<string> results, int currentDepth, int maxDepth)
|
|||
|
|
{
|
|||
|
|
if (currentDepth >= maxDepth) return;
|
|||
|
|
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
string[] subKeys = GetSubKeyNames(currentPath);
|
|||
|
|
foreach (string subKey in subKeys)
|
|||
|
|
{
|
|||
|
|
string subKeyPath = $"{currentPath}\\{subKey}";
|
|||
|
|
results.Add(subKeyPath);
|
|||
|
|
GetAllSubKeysRecursive(subKeyPath, results, currentDepth + 1, maxDepth);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
// 忽略无权限访问的键
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 备份注册表项到文件
|
|||
|
|
/// </summary>
|
|||
|
|
public static async Task BackupToFile(string fullPath, string outputFilePath)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
var (rootKey, relativePath) = ParseFullPath(fullPath);
|
|||
|
|
using RegistryKey root = GetRootRegistryKey(rootKey);
|
|||
|
|
using RegistryKey key = root.OpenSubKey(relativePath);
|
|||
|
|
|
|||
|
|
if (key == null)
|
|||
|
|
throw new InvalidOperationException($"注册表项不存在: {fullPath}");
|
|||
|
|
|
|||
|
|
StringBuilder sb = new StringBuilder();
|
|||
|
|
sb.AppendLine($"注册表备份: {fullPath}");
|
|||
|
|
sb.AppendLine($"备份时间: {DateTime.Now}");
|
|||
|
|
sb.AppendLine("=" + new string('=', 50));
|
|||
|
|
|
|||
|
|
// 备份值
|
|||
|
|
string[] valueNames = key.GetValueNames();
|
|||
|
|
foreach (string valueName in valueNames)
|
|||
|
|
{
|
|||
|
|
object value = key.GetValue(valueName);
|
|||
|
|
RegistryValueKind kind = key.GetValueKind(valueName);
|
|||
|
|
sb.AppendLine($"值: {valueName ?? "(默认)"}");
|
|||
|
|
sb.AppendLine($"类型: {kind}");
|
|||
|
|
sb.AppendLine($"数据: {ConvertValueToString(value, kind)}");
|
|||
|
|
sb.AppendLine();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 备份子键结构
|
|||
|
|
sb.AppendLine("子键结构:");
|
|||
|
|
BackupSubKeysRecursive(key, sb, 1);
|
|||
|
|
|
|||
|
|
await File.WriteAllTextAsync(outputFilePath, sb.ToString(), Encoding.UTF8);
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
throw new InvalidOperationException($"备份注册表失败: {ex.Message}", ex);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static void BackupSubKeysRecursive(RegistryKey parentKey, StringBuilder sb, int depth)
|
|||
|
|
{
|
|||
|
|
string[] subKeyNames = parentKey.GetSubKeyNames();
|
|||
|
|
foreach (string subKeyName in subKeyNames)
|
|||
|
|
{
|
|||
|
|
sb.AppendLine($"{new string(' ', depth * 2)}[{subKeyName}]");
|
|||
|
|
using RegistryKey subKey = parentKey.OpenSubKey(subKeyName);
|
|||
|
|
if (subKey != null)
|
|||
|
|
{
|
|||
|
|
BackupSubKeysRecursive(subKey, sb, depth + 1);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static string ConvertValueToString(object value, RegistryValueKind kind)
|
|||
|
|
{
|
|||
|
|
return kind switch
|
|||
|
|
{
|
|||
|
|
RegistryValueKind.String or RegistryValueKind.ExpandString => value as string ?? string.Empty,
|
|||
|
|
RegistryValueKind.DWord => ((int)value).ToString(),
|
|||
|
|
RegistryValueKind.QWord => ((long)value).ToString(),
|
|||
|
|
RegistryValueKind.Binary => BitConverter.ToString((byte[])value),
|
|||
|
|
RegistryValueKind.MultiString => string.Join("; ", (string[])value),
|
|||
|
|
_ => value?.ToString() ?? string.Empty
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|