NtNotifyChangeDirectoryFile

function NtNotifyChangeDirectoryFile(

  FileHandle: HANDLE;

  Event: HANDLE;

  ApcRoutine: PIO_APC_ROUTINE;

  ApcContext: PVOID;

  IoStatusBlock: PIO_STATUS_BLOCK;

  Buffer: PFILE_NOTIFY_INFORMATION;

  BufferLength: ULONG;

  NotifyFilter: ULONG;

  WatchSubtree: Boolean

):NTSTATUS;