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How to check the number of currently splitted screens

 
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Stefan

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Joined: 12 Jan 2006
Posts: 110
Location: Germany

PostPosted: Fri Aug 01, 2014 2:10 pm    Post subject: How to check the number of currently splitted screens
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Hi everybody,

in our homegrown software configuration interface I want to offer a line command which starts a VIEW on a dataset in a newly splitted screen. I already know how to split the screen and start a VIEW. But to present a message if the user has already reached the limit of screen splits (in our installation it's 8) I need to know how many screens are currently open.
I've studied the manuals but didn't found any ISPF variable containing the total of current screens.
Any idea on this?
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expat

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Joined: 14 Mar 2007
Posts: 8763
Location: Welsh Wales

PostPosted: Fri Aug 01, 2014 2:26 pm    Post subject:
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I usually use LIST and then hit PF9.

I do have an example of the REXX code to show this, but can't access it at work.

Will try to find it and post later when I get back home
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mistah kurtz

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Joined: 28 Jan 2012
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Location: Room: TREE(3). Hilbert's Hotel

PostPosted: Fri Aug 01, 2014 2:34 pm    Post subject:
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The ISPF variable ZSCRCUR gives the number of screens currently open and ZSCRMAX gives the max number of screens allowed.

Hope this helps.
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expat

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PostPosted: Fri Aug 01, 2014 2:35 pm    Post subject:
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Take a look at option 7. whatever - that's how I think I found the required variable name.

Unfortunately no TSO access with this contract icon_cry.gif
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mistah kurtz

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Joined: 28 Jan 2012
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Location: Room: TREE(3). Hilbert's Hotel

PostPosted: Fri Aug 01, 2014 2:39 pm    Post subject:
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Here is a sample that I tested:

Code:
/* REXX */                         
                                   
   "ISPEXEC VGET     (ZSCRMAX )   "
   "ISPEXEC VGET     (ZSCRCUR )   "
                                   
   SAY 'ZSCRMAX     = ' ZSCRMAX   
   SAY 'ZSCRCUR     = ' ZSCRCUR   
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Stefan

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PostPosted: Fri Aug 01, 2014 2:55 pm    Post subject:
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Thanks to mistah kurtz,
I missed the description of this variable as I searched for the term "split".
ZSCRCUR did the trick.
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mistah kurtz

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Location: Room: TREE(3). Hilbert's Hotel

PostPosted: Fri Aug 01, 2014 3:25 pm    Post subject:
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You're welcome, Stefan :-)
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Ramsee

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Joined: 06 Jan 2011
Posts: 52
Location: Chennai

PostPosted: Thu Aug 07, 2014 1:54 pm    Post subject:
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You can use SWAPBAR ON in the Command line and can view in which screen you are into, and can move to the required screen by just double clicking it.
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