REG_NOTIFY_CLASS enumeration (wdm.h)

The REG_NOTIFY_CLASS enumeration type specifies the type of registry operation that the configuration manager is passing to a RegistryCallback routine.

Syntax

typedef enum _REG_NOTIFY_CLASS {
  RegNtDeleteKey,
  RegNtPreDeleteKey,
  RegNtSetValueKey,
  RegNtPreSetValueKey,
  RegNtDeleteValueKey,
  RegNtPreDeleteValueKey,
  RegNtSetInformationKey,
  RegNtPreSetInformationKey,
  RegNtRenameKey,
  RegNtPreRenameKey,
  RegNtEnumerateKey,
  RegNtPreEnumerateKey,
  RegNtEnumerateValueKey,
  RegNtPreEnumerateValueKey,
  RegNtQueryKey,
  RegNtPreQueryKey,
  RegNtQueryValueKey,
  RegNtPreQueryValueKey,
  RegNtQueryMultipleValueKey,
  RegNtPreQueryMultipleValueKey,
  RegNtPreCreateKey,
  RegNtPostCreateKey,
  RegNtPreOpenKey,
  RegNtPostOpenKey,
  RegNtKeyHandleClose,
  RegNtPreKeyHandleClose,
  RegNtPostDeleteKey,
  RegNtPostSetValueKey,
  RegNtPostDeleteValueKey,
  RegNtPostSetInformationKey,
  RegNtPostRenameKey,
  RegNtPostEnumerateKey,
  RegNtPostEnumerateValueKey,
  RegNtPostQueryKey,
  RegNtPostQueryValueKey,
  RegNtPostQueryMultipleValueKey,
  RegNtPostKeyHandleClose,
  RegNtPreCreateKeyEx,
  RegNtPostCreateKeyEx,
  RegNtPreOpenKeyEx,
  RegNtPostOpenKeyEx,
  RegNtPreFlushKey,
  RegNtPostFlushKey,
  RegNtPreLoadKey,
  RegNtPostLoadKey,
  RegNtPreUnLoadKey,
  RegNtPostUnLoadKey,
  RegNtPreQueryKeySecurity,
  RegNtPostQueryKeySecurity,
  RegNtPreSetKeySecurity,
  RegNtPostSetKeySecurity,
  RegNtCallbackObjectContextCleanup,
  RegNtPreRestoreKey,
  RegNtPostRestoreKey,
  RegNtPreSaveKey,
  RegNtPostSaveKey,
  RegNtPreReplaceKey,
  RegNtPostReplaceKey,
  RegNtPreQueryKeyName,
  RegNtPostQueryKeyName,
  RegNtPreSaveMergedKey,
  RegNtPostSaveMergedKey,
  MaxRegNtNotifyClass
} REG_NOTIFY_CLASS;

Constants

 
RegNtDeleteKey
Specifies that a thread is attempting to delete a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreDeleteKey
Specifies that a thread is attempting to delete a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtSetValueKey
Specifies that a thread is attempting to set a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreSetValueKey
Specifies that a thread is attempting to set a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtDeleteValueKey
Specifies that a thread is attempting to delete a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreDeleteValueKey
Specifies that a thread is attempting to delete a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtSetInformationKey
Specifies that a thread is attempting to set the metadata for a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreSetInformationKey
Specifies that a thread is attempting to set the metadata for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtRenameKey
Specifies that a thread is attempting to rename a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreRenameKey
Specifies that a thread is attempting to rename a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtEnumerateKey
Specifies that a thread is attempting to enumerate a subkey of a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreEnumerateKey
Specifies that a thread is attempting to enumerate a subkey of a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtEnumerateValueKey
Specifies that a thread is attempting to enumerate a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreEnumerateValueKey
Specifies that a thread is attempting to enumerate a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtQueryKey
Specifies that a thread is attempting to read the metadata for a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreQueryKey
Specifies that a thread is attempting to read the metadata for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtQueryValueKey
Specifies that a thread is attempting to read a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreQueryValueKey
Specifies that a thread is attempting to read a value entry for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtQueryMultipleValueKey
Specifies that a thread is attempting to query multiple value entries for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on only Windows XP.
RegNtPreQueryMultipleValueKey
Specifies that a thread is attempting to query multiple value entries for a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPreCreateKey
Specifies that a thread is attempting to create a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows XP and later versions of the Windows operating system.
RegNtPostCreateKey
Specifies that a thread has successfully created a key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows XP and later versions of the Windows operating system.
RegNtPreOpenKey
Specifies that a thread is attempting to open an existing key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows XP and later versions of the Windows operating system.
RegNtPostOpenKey
Specifies that a thread has successfully opened an existing key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows XP and later versions of the Windows operating system.
RegNtKeyHandleClose
Specifies that a thread is attempting to close a key handle. This value indicates a pre-notification call to RegistryCallback. Use this value only on Windows XP.
RegNtPreKeyHandleClose
Specifies that a thread is attempting to close a key handle. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system. Drivers can monitor this registry operation but they cannot block or modify it.
RegNtPostDeleteKey
Specifies that the system has attempted to delete the key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostSetValueKey
Specifies that the system has attempted to set a value entry for a key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostDeleteValueKey
Specifies that the system has attempted to delete a value entry for a key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostSetInformationKey
Specifies that the system has attempted to set the key's metadata. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostRenameKey
Specifies that the system has attempted to rename the key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostEnumerateKey
Specifies that the system has attempted to enumerate the subkey of a key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostEnumerateValueKey
Specifies that the system has attempted to enumerate the value entry of a key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostQueryKey
Specifies that the system has attempted to query the metadata for a key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostQueryValueKey
Specifies that the system has attempted to query a value entry for the key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostQueryMultipleValueKey
Specifies that the system has attempted to query multiple value entries for the key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostKeyHandleClose
Specifies that the system has attempted to close a key handle. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPreCreateKeyEx
Specifies that a thread is attempting to create a key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostCreateKeyEx
Specifies that the system has attempted to create a key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPreOpenKeyEx
Specifies that a thread is attempting to open an existing key. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPostOpenKeyEx
Specifies that the system has attempted to open an existing key. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Server 2003 and later versions of the Windows operating system.
RegNtPreFlushKey
Specifies that a thread is attempting to write a key to disk. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPostFlushKey
Specifies that the system has attempted to write a key to disk. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPreLoadKey
Specifies that a thread is attempting to load a registry hive from a file. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPostLoadKey
Specifies that the system has attempted to load a registry hive from a file. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPreUnLoadKey
Specifies that a thread is attempting to unload a registry hive. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPostUnLoadKey
Specifies that the system has attempted to unload a registry hive. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPreQueryKeySecurity
Specifies that a thread is attempting to obtain a registry key's security information. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPostQueryKeySecurity
Specifies that a thread has attempted to obtain a registry key's security information. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPreSetKeySecurity
Specifies that a thread is attempting to set a registry key's security information. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPostSetKeySecurity
Specifies that a thread has attempted to set a registry key's security information. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtCallbackObjectContextCleanup
Specifies that the driver has called CmUnRegisterCallback or the driver's RegistryCallback routine has just finished processing a RegNtPreKeyHandleClose class value. Use this value on Windows Vista and later versions of the Windows operating system.
RegNtPreRestoreKey
Specifies that a thread is attempting to restore a registry key's information. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista SP2 and later versions of the Windows operating system.
RegNtPostRestoreKey
Specifies that a thread has attempted to restore a registry key's information. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista SP2 and later versions of the Windows operating system.
RegNtPreSaveKey
Specifies that a thread is attempting to save a registry key's information. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista SP2 and later versions of the Windows operating system.
RegNtPostSaveKey
Specifies that a thread has attempted to save a registry key's information. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista SP2 and later versions of the Windows operating system.
RegNtPreReplaceKey
Specifies that a thread is attempting to replace a registry key's information. This value indicates a pre-notification call to RegistryCallback. Use this value on Windows Vista SP2 and later versions of the Windows operating system.
RegNtPostReplaceKey
Specifies that a thread has attempted to replace a registry key's information. This value indicates a post-notification call to RegistryCallback. Use this value on Windows Vista SP2 and later versions of the Windows operating system.
RegNtPreQueryKeyName
Specifies that a thread is attempting to obtain the full path of a registry key. Use this value on Windows 10 and later versions of the Windows operating system.
RegNtPostQueryKeyName
Specifies that a thread has attempted to obtain the full path of a registry key. Use this value on Windows 10 and later versions of the Windows operating system.
RegNtPreSaveMergedKey
Specifies that a thread is attempting to save a merged view of two registry subtrees to a file. Use this value on Windows 10 and later versions of the Windows operating system.
RegNtPostSaveMergedKey
Specifies that a thread has attempted to save a merged view of two registry subtrees to a file. Use this value on Windows 10 and later versions of the Windows operating system.
MaxRegNtNotifyClass
Specifies the maximum value in this enumeration type.

Remarks

When the configuration manager calls a driver's RegistryCallback routine, it passes a REG_NOTIFY_CLASS enumeration value to the routine. The configuration manager also passes a notification-specific structure that contains information about the notification. For a list of these structures, see RegistryCallback.

Requirements

   
Minimum supported client Available for Windows XP and later versions of the Windows operating system, but some enumeration values are available only for specified later versions of the Windows operating system.
Header wdm.h (include Wdm.h, Ntddk.h, Ntifs.h)

See also

CmUnRegisterCallback

RegistryCallback