typedef struct _FILE_NOTIFY_INFORMATION {
        DWORD NextEntryOffset;
        DWORD Action;
        DWORD FileNameLength;
        WCHAR FileName[1];
} FILE_NOTIFY_INFORMATION,*PFILE_NOTIFY_INFORMATION;

/* File notification flags */
#define FILE_NOTIFY_CHANGE_FILE_NAME    0x00000001
#define FILE_NOTIFY_CHANGE_DIR_NAME     0x00000002
#define FILE_NOTIFY_CHANGE_ATTRIBUTES   0x00000004
#define FILE_NOTIFY_CHANGE_SIZE         0x00000008
#define FILE_NOTIFY_CHANGE_LAST_WRITE   0x00000010
#define FILE_NOTIFY_CHANGE_LAST_ACCESS  0x00000020
#define FILE_NOTIFY_CHANGE_CREATION     0x00000040
#define FILE_NOTIFY_CHANGE_EA           0x00000080
#define FILE_NOTIFY_CHANGE_SECURITY     0x00000100
#define FILE_NOTIFY_CHANGE_STREAM_NAME  0x00000200
#define FILE_NOTIFY_CHANGE_STREAM_SIZE  0x00000400
#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800