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Disk not appearing in Vista explorer

Posted: 09/04/2007 08:10:14
by Volodymyr Zinin (Team)

Could you please try the following. After the problem has occurred, log off (not switch) the current user and log in again. Whether the mount point will appear?
Posted: 09/04/2007 08:19:07
by Petr Chmelar (Basic support level)
Joined: 07/30/2007
Posts: 24

Yes, I im in exact the same situation. Our CBFS runs as a part of a service. When you log off and back on the mount point appears.

Petr Chmelar
Posted: 09/04/2007 08:26:04
by Petr Chmelar (Basic support level)
Joined: 07/30/2007
Posts: 24

Strange enough, in Total Commander (when I press CTRL-R to refresh) the drive appears. Probably TC actively detects the new drives instead of relying on some system notification that Explorer seems to use. Even after refresh in TC (where the volume appears) I still can't see it in Explorer...

Petr Chmelar
Posted: 09/04/2007 09:39:16
by Dan Cooper (Basic support level)
Joined: 06/27/2007
Posts: 125

I meant does it required another Windows service to start in order to process whatever notification Windows requires that the storage has been started?
Posted: 09/04/2007 10:11:30
by Volodymyr Zinin (Team)

I've found the reason of the problem. The service under Vista cannot send the message WM_DEVICECHANGE to the currently logged users' applications (at least now I don't know how to do it). This message is sent (by means of BroadcastSystemMessage call) after a mount point is created.
We are working on this problem...
Posted: 09/05/2007 02:26:31
by Volodymyr Zinin (Team)

Windows Vista isolates services in Session 0 and runs applications in other sessions. And services cannot send window messages to user applications.
The solution of the problem exists but it's not simple. We plan to do it. But now the simplest solution is the following:
After a CBFS disk will be created/deleted, you should call the code from the attached file in the context of an user session.

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