Климов Александр Петрович
Шрифт:
if (ERROR_SUCCESS != result) return result;
byte[] bytes = null;
uint length = 0;
KeyType keyType = KeyType.None;
result = RegQueryValueEx(hkey, valueName, IntPtr.Zero, ref keyType, null,
ref length);
bytes = new byte[Marshal.SizeOf(typeof(uint))];
length = (uint)bytes.Length;
keyType = KeyType.None;
result = RegQueryValueEx(hkey, valueName, IntPtr.Zero, ref keyType, bytes,
ref length);
if (ERROR_SUCCESS != result) return result;
dwordResult = BitConverter.ToUInt32(bytes, 0);
return ERROR_SUCCESS;
} finally {
if (UIntPtr.Zero != hkey) {
RegCloseKey(hkey);
}
}
}
/// <summary>
/// Удаляет заданный параметр из раздела реестра
/// </summary>
/// <param name="keyName">Имя ключа</param>
/// <param name="valueName">Имя параметра</param>
/// <returns>В успешном случае возвращается
/// ERROR_SUCCESS</returns>
public static int DeleteValue(UIntPtr root, string keyName,
string valueName) {
UIntPtr hkey = UIntPtr.Zero;
try {
int result = RegOpenKeyEx(root, keyName, 0, KeyAccess.None, ref hkey);
if (ERROR_SUCCESS != result) return result;
return RegDeleteValue(hkey, valueName);
} finally {
if (UIntPtr.Zero != hkey) {
RegCloseKey(hkey);
}
}
}
/// <summary>
/// Типы ключей
/// </summary>
public enum KeyType : uint {
None = 0,
String = 1,
Binary = 3,
Dword = 4,
}
/// <summary>
/// Тип доступа
/// </summary>
public enum KeyAccess : uint {
None = 0x0000,
QueryValue = 0x0001,
SetValue = 0x0002,
CreateSubKey = 0x0004,
EnumerateSubKeys = 0x0008,
Notify = 0x0010,
CreateLink = 0x0020
}
/// <summary>
/// HKEY_CLASSES_ROOT
/// </summary>
public static UIntPtr HKCR = new UintPtr(0x80000000);
/// <summary>
/// HKEY_CURRENT_USER
/// </summary>
public static UIntPtr HKCU = new UIntPtr(0x80000001);
/// <summary>
/// HKEY_LOCAL_MACHINE
/// </summary>
public static UIntPtr HKLM = new UIntPtr(0x80000002);
/// <summary>
/// HKEY_USERS
/// </summary>
public static UIntPtr HKU = new UintPtr(0x80000003);
/// <summary>
/// Возвращаемое значение в случае успеха
/// </summary>
public const int ERROR_SUCCESS = 0;
/// <summary>
/// Функция для создания заданного раздела реестра. Если раздел