注册表操作需要获取管理员权限，可以将exe设置为管理员启动。具体操作代码如下:
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| /// <summary>
/// 注册表 HKEY_LOCAL_MACHINE/SOFTWARE 节点下
/// </summary>
public static class RegistryHelper
{
private const string Node = "SOFTWARE";
public static string GetRegistryData(string node, string key)
{
string registData;
RegistryKey hkml = Registry.LocalMachine;
RegistryKey software = hkml.OpenSubKey(Node, true);
RegistryKey dir = software.OpenSubKey(node, true);
registData = dir.GetValue(key)?.ToString();
return registData;
}
/// <summary>
/// 写入注册表
/// </summary>
/// <param name="node">节点</param>
/// <param name="name">注册项名称</param>
/// <param name="value">注册项值</param>
public static void WriteRegistry(string node, string name, string value)
{
RegistryKey hklm = Registry.LocalMachine;
RegistryKey software = hklm.OpenSubKey(Node, true);
RegistryKey dir = software.CreateSubKey(node);
if (dir != null)
dir.SetValue(name, value);
}
/// <summary>
/// 删除注册表
/// </summary>
/// <param name="node"></param>
/// <param name="name"></param>
public static void DeleteRegistry(string node, string name)
{
string[] aimnames;
RegistryKey hkml = Registry.LocalMachine;
RegistryKey software = hkml.OpenSubKey(Node, true);
RegistryKey dir = software.OpenSubKey(node, true);
aimnames = dir.GetSubKeyNames();
foreach (string aimKey in aimnames)
{
if (aimKey == name)
dir.DeleteSubKeyTree(name);
}
}
/// <summary>
/// 查询节点是否存在
/// </summary>
/// <param name="node"></param>
/// <param name="name"></param>
/// <returns></returns>
public static bool IsRegeditExit(string node, string name)
{
bool _exit = false;
string[] subkeyNames;
RegistryKey hkml = Registry.LocalMachine;
RegistryKey software = hkml.OpenSubKey(Node, true);
RegistryKey dir = software.OpenSubKey(node, true);
subkeyNames = dir.GetSubKeyNames();
foreach (string keyName in subkeyNames)
{
if (keyName == name)
{
_exit = true;
return _exit;
}
}
return _exit;
}
}
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