matt@avalon.eecs.nwu.edu (Matt Larson) (01/11/91)
As the subject line says, I'm looking for two HyperCard XCMD/XCFN's. First, I would like to be able to eject the disk in the first floppy drive from within HyperCard -- I don't want the users to need to know about Command-Shift-1. (Or is it Command-Option-1? I can't seem to remember when I'm not at a Mac keyboard...) Second, the Mac being used is dedicated to the HyperCard application I have written. I would like to be able to shutdown the Mac from within HyperCard. I don't even know if this is a realistic request -- I am admittedly not a Mac programmer, so I don't know if this shutdown procedure can be initiated from within an application or if it is implemented in the Finder. If anyone has these XCMD/XCFN's, or could point me in the right direction, I would really appreciate it. Thanks for your help. -- Matt Larson, Distributed Systems Analyst Academic Computing and Network Services, Northwestern University matt@acns.nwu.edu (708) 491-5366
tisue@tartarus.uchicago.edu (Seth Tisue) (01/13/91)
In article <47997@apple.Apple.COM> jkc@Apple.COM (John Kevin Calhoun) writes: > >In article <2509@casbah.acns.nwu.edu> matt@acns.nwu.edu (Matt Larson) > writes: >> I would like to be able to shutdown the Mac from within >>HyperCard. > >This is not a good thing to do. Unfortunately, there's no way to guarantee, >if you shut down the Macintosh from within HyperCard, that HyperCard will >have written everything out to the disk that has to be written in order to >keep the stack in a consistent state. In other words, shutting down the >Macintosh from within HyperCard is a common cause of stack corruption. Comments: 1) Why couldn't a hypothetical ShutDown XCMD tell HyperCard that it needed to finish cleaning house, so to speak? i.e., have HC do whatever it does before it quits to the Finder or opens another application. 2) I _have_ a ShutDown XCMD (which I got off one of the common library stacks, don`t remember which) and have used it to shut off my Mac hundreds of times and have never had any problem with stack corruption, which leads me to believe that it does correctly take care of what needs taking care of. Works in 2.0, too.
kraig@biostr.washington.edu (Kraig Eno) (01/16/91)
matt@acns.nwu.edu (Matt Larson) writes: >I would like to be able to shutdown the Mac from within HyperCard jkc@Apple.COM (John Kevin Calhoun) replies: >This is not a good thing to do. Unfortunately, there's no way to guarantee, >if you shut down the Macintosh from within HyperCard, that HyperCard will >have written everything out to the disk that has to be written ... Would it work to use HyperCard's "open" command? You can, for example, open Microsoft Word from within a script. Could you make a small application called "Shutdown" (it probably already exists somewhere) and do the command open "Shutdown" from within your script? I would assume that HyperCard must do all its cleaning up before running a different app, but that's not necessarily the case, I suppose. Kraig Eno, kraig@biostr.washington.edu "Problems generate new knowledge" - M. Usui