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Java Forum / General / March 2007"freeze" desktop
hi all, I plan to write a program to execute when the windows start. it's a compare & update program between server and client. I want it to freeze the desktop until the process is done. How can i do that?? Thanks. anyone please?? > hi all, > [quoted text clipped - 3 lines] > > Thanks. > anyone please?? Please .. - refrain from top-posting, and - fix that sticky '?' key. - be more patient when dealing with usenet*. * Perhaps if you need answers within a 72 hour time frame, a help-desk or consultant might be a better way to go. .. > > I plan to write a program to execute when the windows start. it's a > > compare & update program between server and client. I want it to > > freeze the desktop until the process is done. What do you mean by 'freeze the desktop'? As little as I understand your question, it seems you want the user to be 'locked out' of doing anything (including in other applications) while this program does its updates. But that is just silly. > How can i do that?? Why would you want to do that? Andrew T. > anyone please?? See http://moinmoin.riters.com/JINX/index.cgi/Suggestions_20for_20Asking_20Questions _20on_20Newsgroups#BePatient >> hi all, >> >> I plan to write a program to execute when the windows start. it's a >> compare & update program between server and client. I want it to >> freeze the desktop until the process is done. How can i do that?? I suspect that this isn't possible using a pure Java solution. You might have better luck asking a Windows newsgroup. - Oliver >> anyone please?? > [quoted text clipped - 9 lines] > I suspect that this isn't possible using a pure Java solution. You > might have better luck asking a Windows newsgroup. and be sure to let us know the product name if it is ever generally available. I want to be sure never to use it. -- Lew > hi all, > [quoted text clipped - 3 lines] > > Thanks. A) Use another language like C, C++, (shudders) Visual Basic. To write this is in Java would require so much native code that it would be easier to use a native language. B) Poke around either msconfig or the Registry to find information. max wrote on 21.03.2007 06:00: > hi all, > > I plan to write a program to execute when the windows start. it's a > compare & update program between server and client. I want it to > freeze the desktop until the process is done. How can i do that?? Simple answer: don't Users will be quite annoyed if you block their whole computer while you are synchronizing data. I would de-install this type of program a split second after it has locked me out of my computer > > I plan to write a program to execute when the windows start. it's a > > compare & update program between server and client. I want it to > > freeze the desktop until the process is done. How can i do that?? [...] > I would de-install this type of program a split > second after it has locked me out of my computer Tut, tut, tut; programmers really ought to think with greater precision than that. You would de-install the program a split second after it had /let you back into/ your computer. ;-) -- chris thanks for all the concern, i'm smart enough to avoid writing such annoying software. As what i mention on the first message, I want the program to run each time when the Windows start, not in the middle. The user doesn't have a choice, because i'm writing it for my Cyber cafe, not for the general market. .. > ..As what i mention on the first message, I want the > program to run each time when the Windows start, not in the middle. A web started application, invoked at start-up, could not only provide a simple splash screen and messages to indicate progress, but also allow other applications to continue in their own threads, unhindered. > The user doesn't have a choice, because i'm > writing it for my Cyber cafe, .. What precisely do you mean by 'my Cyber cafe', are you referring to a shop with a row of computers, and staff employed by you, to switch them on in the morning (or reboot them as needed)? What does this 'locking of the desktop' offer to the process, how does it bring any advantage to the people who are booting the computers? (And if the answer is 'none', then 'why bother?') >..not for the general market. If my understanding of 'Cyber cafe' is correct, the end users who are paying for computer time do not need to (re)boot the PC's? Is that what you mean? Andrew T. > .. >> ..As what i mention on the first message, I want the [quoted text clipped - 5 lines] > other applications to continue in their own > threads, unhindered. I think the OP does NOT want to allow other applications to continue in their own threads, unhindered. >> The user doesn't have a choice, because i'm >> writing it for my Cyber cafe, .. [quoted text clipped - 15 lines] > do not need to (re)boot the PC's? Is that what > you mean? A cybercafé is a place where you can rent computers for a few minutes or hours at a time. The "cafe" part comes into play because you can usually purchase beverages too. I'm guessing the OP wants to completely lock down the system, so that his main application (e.g. which meters how long the user has been using the computer, for example) cannot be killed by the user. When time runs up, the app takes over the system, "freezing" all other applications (different implementations will implement "freezing" differently -- perhaps the apps are still running, but all keyboard/mouse input is captured and prevented from reaching the app), requesting that the user buys more time. - Oliver > I'm guessing the OP wants to completely lock down the system, so that > his main application (e.g. which meters how long the user has been using > the computer, for example) cannot be killed by the user. That, or something like it, seems quite plausible. I don't think that Java is the right language at all for such a program, though (unless perhaps that feature was just one small feature of a much larger Java-ish "application"). -- chris Oliver Wong wrote: >> I'm guessing the OP wants to completely lock down the system, so that >> his main application (e.g. which meters how long the user has been using >> the computer, for example) cannot be killed by the user. > That, or something like it, seems quite plausible. I don't think that Java is > the right language at all for such a program, though (unless perhaps that > feature was just one small feature of a much larger Java-ish "application"). I thought cyber cafes usually did their monitoring from a network or Citrix[-like] server which timed the period from login to logout of the remote nodes. Hotels use a Web gateway for Internet access, and you have to pay to play. None of the billing, access or monitoring software runs on the client machine, thus the patron has no conceivable access to the master processes. Such a remote monitor system could indeed be written in Java. I assess that having the monitor within the system that it monitors to be fraught with Godelian peril. -- Lew > thanks for all the concern, i'm smart enough to avoid writing such > annoying software. As what i mention on the first message, I want the > program to run each time when the Windows start, not in the middle. > The user doesn't have a choice, because i'm writing it for my Cyber > cafe, not for the general market. In that case, have a look at http://openkiosk.sourceforge.net/ for one example. Search for "kiosk systems" for more. /gordon -- Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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