/// <summary>
/// 得到指定注冊表鍵,不存在則返回Null值
/// </summary>
/// <param name="RegistryHive">注冊表巢</param>
/// <param name="RegURL">子鍵位置,不含注冊表巢,各層間請用'\'隔開</param>
/// <returns>指定注冊表鍵</returns>
private static RegistryKey OpenRegKey(tagRegistryHive RegistryHive, string RegURL)
{
RegistryKey MainKey = null;
RegistryKey SubKey = null;
if (RegURL != "" && RegURL.Substring(RegURL.Length - 1) == "\\")
RegURL = RegURL.Substring(0, RegURL.Length - 1);
//得到注冊表巢
switch (RegistryHive)
{
case tagRegistryHive.DD:
MainKey = Registry.DynData;
break;
case tagRegistryHive.HKCF:
MainKey = Registry.CurrentConfig;
break;
case tagRegistryHive.HKCR:
MainKey = Registry.ClassesRoot;
break;
case tagRegistryHive.HKCU:
MainKey = Registry.CurrentUser;
break;
case tagRegistryHive.HKLM:
MainKey = Registry.LocalMachine;
break;
case tagRegistryHive.HKUSR:
MainKey = Registry.Users;
break;
case tagRegistryHive.PD:
MainKey = Registry.PerformanceData;
break;
}
SubKey = MainKey;
try
{
if (RegURL != "")
{
string[] SubKeys = RegURL.Split('\\');
foreach (string _SubKey in SubKeys)
{
if (SubKey == null)
return null;
SubKey = SubKey.OpenSubKey(_SubKey);
}
}
}
catch (System.Exception e)
{
throw new Exception(e.Message, e);
}
return SubKey;
}
/// <summary>
/// 得到指定注冊表鍵值並解密,不存在返回Null值
/// </summary>
/// <param name="RegistryHive">注冊表巢</param>
/// <param name="RegURL">子鍵位置,不含注冊表巢,各層間請用'\'隔開</param>
/// <returns></returns>
public static object GetKeyValueDecrypt(tagRegistryHive RegistryHive, string RegURL)
{
RegistryKey MainKey = null;
string SubKey = string.Empty;
if (RegURL.Substring(RegURL.Length - 1) == "\\")
RegURL = RegURL.Substring(0, RegURL.Length - 1);
int LastIndex = RegURL.LastIndexOf('\\');
if (LastIndex <= 0)
{
MainKey = OpenRegKey(RegistryHive, "");
SubKey = RegURL;
}
else
{
MainKey = OpenRegKey(RegistryHive, RegURL.Substring(0, LastIndex));
SubKey = RegURL.Substring(LastIndex + 1);
}
if (MainKey == null)
return null;
else
{
object obj = MainKey.GetValue(SubKey);
if (obj == null) return null;
string _Result = null;
MainKey.Close();
try
{
_Result = SymmetricMethod.Decrypt(obj.ToString());
}
catch (System.Exception e)
{
throw new Exception(e.Message, e);
}
return _Result;
}
}
/// <summary>
/// 得到指定注冊表鍵值,不存在返回Null值
/// </summary>
/// <param name="RegistryHive">注冊表巢</param>
/// <param name="RegURL">子鍵位置,不含注冊表巢,各層間請用'\'隔開</param>
/// <returns></returns>
public static object GetKeyValue(tagRegistryHive RegistryHive, string RegURL)
{
RegistryKey MainKey = null;
string SubKey = string.Empty;
if (RegURL.Substring(RegURL.Length - 1) == "\\")
RegURL = RegURL.Substring(0, RegURL.Length - 1);
int LastIndex = RegURL.LastIndexOf('\\');
try
{
if (LastIndex <= 0)
{
MainKey = OpenRegKey(RegistryHive, "");
SubKey = RegURL;
}
else
{
MainKey = OpenRegKey(RegistryHive, RegURL.Substring(0, LastIndex));
SubKey = RegURL.Substring(LastIndex + 1);
}
if (MainKey == null)
return null;
else
{
object obj = MainKey.GetValue(SubKey);
//Added by Donnie on 2012/09/26
//如果是Default鍵值,則無法抓到,需要用null再抓一次
if (obj == null)
obj = MainKey.GetValue(null);
MainKey.Close();
return obj;
}
}
catch (System.Exception e)
{
throw new Exception(e.Message, e);
}
}
