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From: jcav@quads.uchicago.edu (john  cavallino)
Newsgroups: comp.sys.mac.hypercard
Subject: Re: Opening file with Multifinder (was openField handlers)
Message-ID: <1991May1.181756.14689@midway.uchicago.edu>
Date: 1 May 91 18:17:56 GMT
Article-I.D.: midway.1991May1.181756.14689
References: <52245@apple.Apple.COM>
Sender: news@midway.uchicago.edu (NewsMistress)
Organization: University of Chicago
Lines: 33

In article <52245@apple.Apple.COM> jkc@apple.com (John Kevin Calhoun) writes:
>In article <41861@cup.portal.com> David_Greg_Herlihy@cup.portal.com writes:
>>When you use the command "open file x with [application]" while running
>>the single finder, Hypercard obediently finds the file and opens it
>>with the specified application (if such file exists).  What I find
>>annoying, however, is that this command does not seem to work if you
>>are running multifinder and the specified application is already opened.
>>Rather than opening the file, Hypercard merely switches you to whatever
>>file is currently opened in the application rather than the file you requested
>>
>>Does anyone know how to make this command behave with multifinder?  Is
>>this something we can expect to go away with system 7.0 or a HyperCard upgrade
>>Thanks for your help.  David
>
>In order for this to work, a number of things have to change:
>
>1) there has to be some service at the system level that applications can
>   use to communicate with one another
>2) HyperCard has to know how to use this service to tell another application
>   to open a document
>3) the target application has to know how to listen and how to respond

Why didn't/doesn't HyperCard do it the old Multifinder way (actually, only
System 6.0 or newer) which was the nasty kludge of faking a selection
of the application's "Open..." command?   Stomach-turning or not, at least
this method did the job.


-- 
John Cavallino                      |     EMail: jcav@midway.uchicago.edu
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