Thanks Tom This give me more lattitude for the upcoming solution. Regards, Jim
"Tom Frauenhofer" <[EMAIL PROTECTED]> a �crit dans le message de news: [EMAIL PROTECTED] > > A trick that I use is to put a version number in the preferences for the > application. This gives you a lot more flexibility to do neat stuff like > update record layouts in databases, add new fields to the preference > structure, and the like when you release an upgrade for an application. > > The down sides is you will have to support all of these upgrade routines > for a fairly long time. You'll also have to consider those who jump up > multiple versions (the customer is upgrading from version 1 to version > 5). This also introduces some useless code (run at most once) if you put > the upgrade support in the application (although you might be able to put > the upgrade logic in a shared library that could go away after it has > executed). And you really have to make sure that the upgrade is fool-proof > - nothing worse then deleting some important data on a user due to a > programming error or an "unforeseen circumstance" (you remove a field from > a recod in your app that the customer happened to use to keep track of his > kids' birthdays, for example). > > At 12:00 AM 6/3/2002 -0700, Ben Combee <[EMAIL PROTECTED]> wrote: > >In article <87859@palm-dev-forum>, [EMAIL PROTECTED] says... > > > > > > Hi, I have a few questions, hope someone will tell me what I want to > > > hear ;-) > > > > > - Does a boolean flag exist to know if the palm file&apps db has changed > > > since > > > last consultation ? > > > >No. > > > > > - Does a global value exist with the number of apps&files ? > > > >No. > > > > > - Does a vector exists with all the apps and files listed ? > > > >Not always, but it can be created using the SysCreateDataBaseList API. > > > ---- > Tom Frauenhofer, [EMAIL PROTECTED] > http://www.beret.com > "Playing harp takes lots of pluck, a love of music, and a pick-up truck." - > Valentine Frauenhofer > > > -- For information on using the Palm Developer Forums, or to unsubscribe, please see http://www.palmos.com/dev/support/forums/
