The KEY_INFORMATION_CLASS enumeration type represents the type of information to supply about a registry key.
typedef enum _KEY_INFORMATION_CLASS {
KeyBasicInformation,
KeyNodeInformation,
KeyFullInformation
} KEY_INFORMATION_CLASS;
Declared in wdm.h and ntddk.h. Include wdm.h or ntddk.h.
Use the KEY_INFORMATION_CLASS values to specify the type of data to be supplied by the ZwEnumerateKey and ZwQueryKey routines.
KEY_BASIC_INFORMATION, KEY_FULL_INFORMATION, KEY_NODE_INFORMATION, ZwEnumerateKey, ZwQueryKey