How to list mapped drives in dialog running as service?
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From: Matrixinline on 3 May 2010 07:04 Hi All, I have a service which open a dialog to let user browse the local file system. The Dialog is not derived from CFileDialog. I have written it. I have used GetLogicalDrive and CFindFile to list the drives and files. Now my User has a Remote location mapped as a drive. But my Dialog does not show the mapped drive. Can you please suggest work around so that My File browser dialog shows the mapped drive. Thanks Anup
From: David Lowndes on 3 May 2010 08:06 >I have a service which open a dialog to let user browse the local file >system. The Dialog is not derived from CFileDialog. I have written it. >I have used GetLogicalDrive and CFindFile to list the drives and >files. > >Now my User has a Remote location mapped as a drive. But my Dialog >does not show the mapped drive. Can you clarify some points... What account is your service running under? Is it set to interact with the desktop? Usually, a better solution is to have your service communicate with an interactive GUI application that's started when the user logs on. Dave
From: Joseph M. Newcomer on 3 May 2010 20:28 How is you have a service with a user interface? This feature was removed from Windows with Vista and is no longer available. If you have a service with a UI, then you have a service that will only run on dead versions of Windows. Note that a service is logged in under some account established when the service is created (usually LocalService). Drive mappings are established by login, so a user's mapped drives apply ONLY to that particular login session and cannot be applied to any other logged-in session, such as a service. Logical drive letters are NOT a property of the system, or the file server, but ONLY of the logged-in user. If the user is accessing a service (how?), the service cannot possibly know or discover what drives are mapped by the logged-in user. So the answer is: there is no "workaround" because you are asking for something that is simply impossible. joe On Mon, 3 May 2010 04:04:02 -0700 (PDT), Matrixinline <anup.kataria(a)gmail.com> wrote: >Hi All, > >I have a service which open a dialog to let user browse the local file >system. The Dialog is not derived from CFileDialog. I have written it. >I have used GetLogicalDrive and CFindFile to list the drives and >files. > >Now my User has a Remote location mapped as a drive. But my Dialog >does not show the mapped drive. > >Can you please suggest work around so that My File browser dialog >shows the mapped drive. > >Thanks >Anup Joseph M. Newcomer [MVP] email: newcomer(a)flounder.com Web: http://www.flounder.com MVP Tips: http://www.flounder.com/mvp_tips.htm
From: Hector Santos on 3 May 2010 22:09
Matrixinline wrote: > Hi All, > > I have a service which open a dialog to let user browse the local file > system. The Dialog is not derived from CFileDialog. I have written it. > I have used GetLogicalDrive and CFindFile to list the drives and > files. > > Now my User has a Remote location mapped as a drive. But my Dialog > does not show the mapped drive. > > Can you please suggest work around so that My File browser dialog > shows the mapped drive. In addition to Joe's note.... I would swear I recall seeing a message where NETBIOS-based shared drives is not available at the service level until the user logs into the desktop. It is at the moment where the drives are mapped. I have not verified this but I have a "check out" note to do so when I reach that point. Again, I recall reading some discussion where this was pointed out. It could a new OS version related security issue which might explain I don't recall a customer incident related to shared drives and our application running as a service with no desktop user active. Just guessing here: If this is the case, then your service might be doing some initializing for available drives and using this static "service startup" information rather than dynamically getting the available drives upon request (at the desktop level. -- HLS |