[Lazarus] Shell notifications

Sven Barth pascaldragon at googlemail.com
Thu Aug 22 13:49:28 CEST 2013

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.


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