On Thu, Aug 22, 2013 at 01:49:28PM +0200, Sven Barth wrote: > Am 22.08.2013 13:33, schrieb Antonio Fortuny: > >See the code in attachment > > > >I changed the code a little bit adding the OVERLAP parameter and > >events to use the async method. > >Now the same function returns error code 6 > Error code 6 is ERROR_INVALID_HANDLE (would be nice if you'd mention > the error message as well next time when you're already using > SysErrorMessage). FindFirstChangeNotification returns a notification > handle, but ReadDirectoryChanges requires a directory handle (with > FILE_LIST_DIRECTORY priviledge), so you need to open the directory > yourself.
To add to this, the remarks section on msdn says this: "To obtain a handle to a directory, use the CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag." In addition to this you're also passing an OVERLAPPED record to ReadDirectoryChangesW(), so you'll have to use FILE_FLAG_OVERLAPPED when you open the directory, too. Henry -- _______________________________________________ Lazarus mailing list [email protected] http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
