LogOpenEventNotification parameter packet.
typedef struct _LOENREQUEST {
ULONG packet_size;
ULONG packet_revision_number;
ULONG log_file_ID;
ULONG read_flags;
PULONG pLogNotify;
PFILTERBLOCK pFilter;
} LOENREQUEST;
typedef LOENREQUEST * PLOENREQUEST ;
Use appropriate packet _ revision _ number to indicate whether character
data in the parameter packet is in UniCode or ASCII format .