public static string GetRegistryValue(string path, string key)
{
RegistryKey regkey = null;
try
{
regkey = Registry.LocalMachine.OpenSubKey(path);
if (regkey == null)
{
Log2.Log("Cannot find Registry path:" + path);
return(null);
}
object val = regkey.GetValue(key);
if (val == null)
{
Log2.Log("Cannot find Registry key:" + key);
return(null);
}
return(val.ToString());
}
catch (Exception ex)
{
Log2.Log(ex.ToString());
return(null);
}
finally
{
if (regkey != null)
{
regkey.Close();
}
}
}
/// <summary>
/// 设置64位注册表
/// </summary>
/// <param name="key"></param>
/// <param name="subKey"></param>
/// <param name="name"></param>
/// <param name="value"></param>
/// <returns></returns>
public static int Set64BitRegistryKey(string key, string subKey, string name, string value)
{
int STANDARD_RIGHTS_ALL = (0x001F0000);
int KEY_QUERY_VALUE = (0x0001);
int KEY_SET_VALUE = (0x0002);
int KEY_CREATE_SUB_KEY = (0x0004);
int KEY_ENUMERATE_SUB_KEYS = (0x0008);
int KEY_NOTIFY = (0x0010);
int KEY_CREATE_LINK = (0x0020);
int SYNCHRONIZE = (0x00100000);
int KEY_WOW64_64KEY = (0x0100);
int REG_OPTION_NON_VOLATILE = (0x00000000);
int KEY_ALL_ACCESS = (STANDARD_RIGHTS_ALL | KEY_QUERY_VALUE | KEY_SET_VALUE | KEY_CREATE_SUB_KEY | KEY_ENUMERATE_SUB_KEYS
| KEY_NOTIFY | KEY_CREATE_LINK) & (~SYNCHRONIZE);
int ret = 0;
try
{
//将Windows注册表主键名转化成为不带正负号的整形句柄（与平台是32或者64位有关）
IntPtr hKey = TransferKeyName(key);
//声明将要获取Key值的句柄
IntPtr pHKey = IntPtr.Zero;
//获得操作Key值的句柄
int lpdwDisposition = 0;
ret = RegCreateKeyEx(hKey, subKey, 0, "", REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS | KEY_WOW64_64KEY, IntPtr.Zero, out pHKey, out lpdwDisposition);
if (ret != 0)
{
Log2.Log(string.Format("Unable to create key {0} - {1}: {2}!", key, subKey, ret));
return(ret);
}
//关闭注册表转向（禁止特定项的注册表反射）
RegDisableReflectionKey(pHKey);
//设置访问的Key值
uint REG_SZ = 1;
byte[] data = Encoding.Unicode.GetBytes(value);
RegSetValueEx(pHKey, name, 0, REG_SZ, data, (uint)data.Length);
//打开注册表转向（开启特定项的注册表反射）
RegEnableReflectionKey(pHKey);
RegCloseKey(pHKey);
}
catch (Exception ex)
{
Log2.Log(ex.ToString());
return(-1);
}
return(ret);
}