Re: [foxboro] FoxView momentary contact and close problem - solution

Adam,

Be aware though, that if you ever ungroup the object, any actions
assigned to the group will disappear without a trace!


 Regards =20
     Terry=20

Terry Lloyd, Systems Engineer
____________________________________________________________
*   Building W601,  Mail BA111C *  Voice:     +44 (0)1446 723501
             Dow Corning Ltd                    *   Fax:       +44
(0)1446 700874
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             Barry
             Vale of Glamorgan,  CF63 2YL
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-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Adam.Pemberton@xxxxxxxxxxxx
Sent: Tuesday, January 23, 2007 4:01 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] FoxView momentary contact and close problem -
solution

Just a little titbit we have recently learnt that might be useful for
the list.
=20

In our conversion from Display Manager to FoxView we have noticed that
some buttons on overlays stopped functioning correctly. This turned out
to be because of a subtle feature in Display Manager that appears not to
be supported in Foxview.

=20

   As most will be aware, one can only assign 1 action to any graphic
element. This is not usually a problem as one can use the DM Command
action to perform a number of dmcmd commands. Unfortunately there is no
dmcmd command for the Momentary Contact action.

=20

   Our problem was that, in Display Manager, we configured most of our
buttons on overlays to have "DM Command" actions such that when the
button is pressed two things happen: the command is executed and the
overlay is closed.=20

For the case of a momentary contact action, we got around the 1-action
limitation by configuring the button with two rectangles, each with its
own action. One of the rectangles was assigned the Momentary Contact
action and was given a name (Ack say). The other rectangle was assigned
a DM command and performed two actions:

   dmcmd pick Ack

   dmcmd close

Now the crux: this does not work in FoxView.

=20

Our initial solution was to provide an extra "OK" button to close the
overlay. However a colleague came up with a better solution.

Given the various elements of the button are grouped, our solution was
to assign the momentary contact to the Group (rather than a rectangle)
and assign the close command to the rectangle. For some reason, when
it's assigned in a vertical hierarchy it seemed to work.

=20

Hope this helps someone, or leads to a better solution from someone
else.

=20

Regards

Adam Pemberton
Site Electrical & Control Systems Engineer
Lihir Gold Limited

Ph: +675 9865 655
Fax: +675 9865 666
Mob: Nogat
Postal:
   Australia: GPO Box 905, Brisbane, QLD 4001
   PNG: PO Box 789, Port Moresby, NCD

=20


=20
=20
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