revolution in background catchig arrow keys

[John Craig]

if you call a handler every so often and check 'the keysDown' you can 
catch key presses.

on openStack
  checkKeys
end openStack

on checkKeys
  -- check for LEFT key
  if 65361 is in the keysDown then
    -- do snapshot
   
  end if
  send "checkKeys" to this stack in 100 millisecs
end checkKeys


Hope this helps

JC

paolo mazza wrote:
> Dear revs,
> How can I have revolution in background catching arrow keys?
> I need this feauture for a small application that import a scrennshot any
> time the user press the arrow keys in Acrobat Reader program.
> I mean ...this is what I want to do: 
> I open a Revolution stack. 
> Then I open a pdf document (with a full screen presentation) using the
> program Acrobat Reader .
> I wuold like my revolution stack to import a scrennshot any time the user
> press the arrow key (and move to another slide).
> How can I do this in Macintosh? Any idea?
> Thanks
>
> Paolo Mazza
>
> ******************************************
>
> Paolo Mazza
> NEOL SRL
> Società partecipata da Università di Padova
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