typedef struct _CM_NOTIFY_BLOCK
{
    LIST_ENTRY HiveList;
    LIST_ENTRY PostList;
    CM_KEY_CONTROL_BLOCK *KeyControlBlock;
    CM_KEY_BODY *KeyBody;
    unsigned long Filter : 30;
    unsigned long WatchTree : 1;
    unsigned long NotifyPending : 1;
    SECURITY_SUBJECT_CONTEXT SubjectContext;
} CM_NOTIFY_BLOCK, *PCM_NOTIFY_BLOCK;